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comp / comp.misc / Public DNS Services

SubjectAuthor
* Public DNS ServicesLawrence D'Oliveiro
+- Re: Public DNS ServicesJohanne Fairchild
+* Re: Public DNS ServicesJoerg Walther
|`* Re: Public DNS ServicesLawrence D'Oliveiro
| +* Re: Public DNS ServicesJoerg Walther
| |`- Re: Public DNS ServicesLawrence D'Oliveiro
| `* Re: Public DNS ServicesJoerg Walther
|  `- Re: Public DNS ServicesSH
+- Re: Public DNS ServicesGeorge Musk
+* Re: Public DNS ServicesLawrence D'Oliveiro
|`- Re: Public DNS ServicesLawrence D'Oliveiro
+* Re: Public DNS ServicesSH
|`* Re: Public DNS ServicesAndy Burns
| `* Re: Public DNS ServicesLawrence D'Oliveiro
|  `* Re: Public DNS ServicesAndy Burns
|   `* Re: Public DNS ServicesLawrence D'Oliveiro
|    `- Re: Public DNS ServicesAndy Burns
`- Re: Public DNS ServicesMarco Moock

1
Subject: Public DNS Services
From: Lawrence D'Oliv
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Mon, 2 Sep 2024 01:51 UTC
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.misc
Subject: Public DNS Services
Date: Mon, 2 Sep 2024 01:51:38 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 21
Message-ID: <vb35n9$1qeok$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 02 Sep 2024 03:51:38 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="0461de2c4cabc231a24885f70066d9c2";
logging-data="1915668"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19UiM61+odc/mYgbdU32o2B"
User-Agent: Pan/0.160 (Toresk; )
Cancel-Lock: sha1:TUE6RR6Xp0dOubDe2AFR4Qk3xlc=
View all headers

We all know about the public DNS services offered by Google (8.8.8.8,
8.8.4.4) and Cloudflare (1.1.1.1, 1.0.0.1); did you know these
addresses have names as well? And of course there are IPv6 addresses to
go with the IPv4 ones.

Try this command to find out all the related Google DNS services:

host -a dns.google.

(Yup, that’s “dns.google.”, no “.com” or anything else on the end.)
That’s quite a breathtaking list of entries.

For Cloudflare, try

host one.one.one.one.

Note that the “-a” option (“tell me everything”) doesn’t work with
Cloudflare; quite a few online services are now imposing restrictions
on these “all info” lookups, but clearly not Google, at least not on
this domain: obviously they want it to remain easy for people to
discover the services they’re offering.

Subject: Re: Public DNS Services
From: Johanne Fairchild
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Mon, 2 Sep 2024 01:53 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: jfairchild@tudado.org (Johanne Fairchild)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Sun, 01 Sep 2024 22:53:50 -0300
Organization: A noiseless patient Spider
Lines: 1
Message-ID: <874j6y3jo1.fsf@tudado.org>
References: <vb35n9$1qeok$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain
Injection-Date: Mon, 02 Sep 2024 03:53:58 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="dd30994fce8e7dd2c2bf747127272c36";
logging-data="1913102"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+HJvqEOLZOsSLCxWLlKt0yMdnZur6zNYM="
Cancel-Lock: sha1:ycCdI1bRZGOlu7xXM0K5a1VAAPY=
sha1:gv3mfTkgC3uBRAGKhBE6C5yTupc=
View all headers

Useful info. Thanks.

Subject: Re: Public DNS Services
From: Joerg Walther
Newsgroups: comp.misc
Organization: Easynews - www.easynews.com
Date: Mon, 2 Sep 2024 15:15 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!peer01.iad!feed-me.highwinds-media.com!news.highwinds-media.com!fx13.iad.POSTED!not-for-mail
From: joerg.walther@magenta.de (Joerg Walther)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Message-ID: <shlbdjdaee8vur818ceakd8hpnmltnbp84@joergwalther.my-fqdn.de>
References: <vb35n9$1qeok$3@dont-email.me>
X-Newsreader: Forte Agent 6.00/32.1186
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Lines: 23
X-Complaints-To: abuse@easynews.com
Organization: Easynews - www.easynews.com
X-Complaints-Info: Please be sure to forward a copy of ALL headers otherwise we will be unable to process your complaint properly.
Date: Mon, 02 Sep 2024 17:15:21 +0200
X-Received-Bytes: 1057
View all headers

Lawrence D'Oliveiro wrote:

>
>Try this command to find out all the related Google DNS services:
>
> host -a dns.google.

joerg@jazz:~$ host -a dns.google
Trying "dns.google"
Host dns.google not found: 4(NOTIMP)

Ubuntu 22.04, btw.

>For Cloudflare, try
>
> host one.one.one.one.

This one works.

-jw-
--
And now for something completely different...

Subject: Re: Public DNS Services
From: George Musk
Newsgroups: comp.misc
Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com)
Date: Mon, 2 Sep 2024 18:07 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail
From: grgmusk@skiff.com (George Musk)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Mon, 2 Sep 2024 18:07:31 -0000 (UTC)
Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com)
Message-ID: <vb4ut3$kt6$1@nnrp.usenet.blueworldhosting.com>
References: <vb35n9$1qeok$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 2 Sep 2024 18:07:31 -0000 (UTC)
Injection-Info: nnrp.usenet.blueworldhosting.com;
logging-data="21414"; mail-complaints-to="usenet@blueworldhosting.com"
User-Agent: Pan/0.154 (Izium; 517acf4)
Cancel-Lock: sha1:93dKL15JIPtNgFe63QoVbclre0Y= sha256:tLdugYelR4aLeKknREcutpLKi+j48mqS9vB4D07k/9M=
sha1:CXzmKsfE4xRWkaFWNIVJN0nHwnA= sha256:oLCTaW9XOXw21ooN3YGPBk8Umurv9jhh2pvYtlnDKeg=
View all headers

On Mon, 2 Sep 2024 01:51:38 -0000 (UTC), Lawrence D'Oliveiro wrote:

> We all know about the public DNS services offered by Google (8.8.8.8,
> 8.8.4.4) and Cloudflare (1.1.1.1, 1.0.0.1); did you know these addresses
> have names as well? And of course there are IPv6 addresses to go with
> the IPv4 ones.
>
There are some more
https://en.wikipedia.org/wiki/Public_recursive_name_server#Notable_public_DNS_service_operators

Subject: Re: Public DNS Services
From: Lawrence D'Oliv
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Mon, 2 Sep 2024 21:54 UTC
References: 1 2
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Mon, 2 Sep 2024 21:54:26 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 11
Message-ID: <vb5c6h$30ieg$1@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me>
<shlbdjdaee8vur818ceakd8hpnmltnbp84@joergwalther.my-fqdn.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 02 Sep 2024 23:54:26 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="0461de2c4cabc231a24885f70066d9c2";
logging-data="3164624"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/s+qIAb25GB3xY8MbUxGSF"
User-Agent: Pan/0.160 (Toresk; )
Cancel-Lock: sha1:W8sMb/TgSewhJh8aeRyM9ivP34w=
View all headers

On Mon, 02 Sep 2024 17:15:21 +0200, Joerg Walther wrote:

> Lawrence D'Oliveiro wrote:
>
>> host -a dns.google.
>
> joerg@jazz:~$ host -a dns.google
> Trying "dns.google"
> Host dns.google not found: 4(NOTIMP)

I did write “dns.google.”, did I not?

Subject: Re: Public DNS Services
From: Lawrence D'Oliv
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Mon, 2 Sep 2024 21:54 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Mon, 2 Sep 2024 21:54:58 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 9
Message-ID: <vb5c7i$30ieg$2@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 02 Sep 2024 23:54:59 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="0461de2c4cabc231a24885f70066d9c2";
logging-data="3164624"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19K+sVInKlIEgte5Qeh3dpu"
User-Agent: Pan/0.160 (Toresk; )
Cancel-Lock: sha1:Akim1zn3DLozQCMbNA/+xKGzh/I=
View all headers

On Mon, 2 Sep 2024 01:51:38 -0000 (UTC), I wrote:

> Try this command to find out all the related Google DNS services:
>
> host -a dns.google.
>
> That’s quite a breathtaking list of entries.

Anyone spotted the easter egg yet?

Subject: Re: Public DNS Services
From: SH
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Tue, 3 Sep 2024 07:39 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: i.love@spam.com (SH)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Tue, 3 Sep 2024 08:39:11 +0100
Organization: A noiseless patient Spider
Lines: 29
Message-ID: <vb6eev$38t9g$2@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Tue, 03 Sep 2024 09:39:12 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="2a5e9333444c268b9e0464f88436c23b";
logging-data="3437872"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/ZiX3uYfmlBs7DNr7pyq9KVB6P6WXV4qo="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:MlPseMdjTELq9dmJzsHSa3QZ+HM=
In-Reply-To: <vb35n9$1qeok$3@dont-email.me>
Content-Language: en-GB
View all headers

On 02/09/2024 02:51, Lawrence D'Oliveiro wrote:
> We all know about the public DNS services offered by Google (8.8.8.8,
> 8.8.4.4) and Cloudflare (1.1.1.1, 1.0.0.1); did you know these
> addresses have names as well? And of course there are IPv6 addresses to
> go with the IPv4 ones.
>
> Try this command to find out all the related Google DNS services:
>
> host -a dns.google.
>
> (Yup, that’s “dns.google.”, no “.com” or anything else on the end.)
> That’s quite a breathtaking list of entries.
>
> For Cloudflare, try
>
> host one.one.one.one.
>
> Note that the “-a” option (“tell me everything”) doesn’t work with
> Cloudflare; quite a few online services are now imposing restrictions
> on these “all info” lookups, but clearly not Google, at least not on
> this domain: obviously they want it to remain easy for people to
> discover the services they’re offering.

C:\Users\public>host

'host' is not recognized as an internal or external command,
operable program or batch file.

(On Windows 11)

Subject: Re: Public DNS Services
From: Andy Burns
Newsgroups: comp.misc
Date: Tue, 3 Sep 2024 08:30 UTC
References: 1 2
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: usenet@andyburns.uk (Andy Burns)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Tue, 3 Sep 2024 09:30:10 +0100
Lines: 8
Message-ID: <ljnvoqFarb8U1@mid.individual.net>
References: <vb35n9$1qeok$3@dont-email.me> <vb6eev$38t9g$2@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: individual.net aP4GwAou5tcHJLGDWc3NiA7pOQIubNMISKxzxKo14wQbpnRVo3
Cancel-Lock: sha1:kPlXGEgLZxzEMITmcBcQWUFknHs= sha256:xse8JxeKvqXBFPWslNupfrki/utO00GJA8SjpzOM8tM=
User-Agent: Mozilla Thunderbird
Content-Language: en-GB
In-Reply-To: <vb6eev$38t9g$2@dont-email.me>
View all headers

SH wrote:

> 'host' is not recognized as an internal or external command,
> operable program or batch file.
>
> (On Windows 11)

use nslookup instead

Subject: Re: Public DNS Services
From: Joerg Walther
Newsgroups: comp.misc
Organization: Easynews - www.easynews.com
Date: Tue, 3 Sep 2024 14:09 UTC
References: 1 2 3
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!weretis.net!feeder8.news.weretis.net!npeer.as286.net!npeer-ng0.as286.net!peer01.ams1!peer.ams1.xlned.com!news.xlned.com!peer01.iad!feed-me.highwinds-media.com!news.highwinds-media.com!fx35.iad.POSTED!not-for-mail
From: joerg.walther@magenta.de (Joerg Walther)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Message-ID: <706edj1jenhfulqq3tf79hnovfeqrtahgu@joergwalther.my-fqdn.de>
References: <vb35n9$1qeok$3@dont-email.me> <shlbdjdaee8vur818ceakd8hpnmltnbp84@joergwalther.my-fqdn.de> <vb5c6h$30ieg$1@dont-email.me>
X-Newsreader: Forte Agent 6.00/32.1186
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Lines: 18
X-Complaints-To: abuse@easynews.com
Organization: Easynews - www.easynews.com
X-Complaints-Info: Please be sure to forward a copy of ALL headers otherwise we will be unable to process your complaint properly.
Date: Tue, 03 Sep 2024 16:09:36 +0200
X-Received-Bytes: 1266
View all headers

Lawrence D'Oliveiro wrote:

>> joerg@jazz:~$ host -a dns.google
>> Trying "dns.google"
>> Host dns.google not found: 4(NOTIMP)
>
>I did write “dns.google.”, did I not?

That's what the system changed it to before actually issuing the
command.

joerg@jazz:~$ host -a dns.google.
Trying "dns.google"
Host dns.google not found: 4(NOTIMP)

-jw-
--
And now for something completely different...

Subject: Re: Public DNS Services
From: Joerg Walther
Newsgroups: comp.misc
Organization: Easynews - www.easynews.com
Date: Tue, 3 Sep 2024 14:11 UTC
References: 1 2 3
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!border-1.nntp.ord.giganews.com!border-4.nntp.ord.giganews.com!nntp.giganews.com!news-out.netnews.com!s1-1.netnews.com!peer02.iad!feed-me.highwinds-media.com!news.highwinds-media.com!fx35.iad.POSTED!not-for-mail
From: joerg.walther@magenta.de (Joerg Walther)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Message-ID: <186edj9pltl8q22m7q57n3skmjujej2j5t@joergwalther.my-fqdn.de>
References: <vb35n9$1qeok$3@dont-email.me> <shlbdjdaee8vur818ceakd8hpnmltnbp84@joergwalther.my-fqdn.de> <vb5c6h$30ieg$1@dont-email.me>
X-Newsreader: Forte Agent 6.00/32.1186
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Lines: 23
X-Complaints-To: abuse@easynews.com
Organization: Easynews - www.easynews.com
X-Complaints-Info: Please be sure to forward a copy of ALL headers otherwise we will be unable to process your complaint properly.
Date: Tue, 03 Sep 2024 16:11:44 +0200
X-Received-Bytes: 1218
X-Original-Bytes: 1085
View all headers

Lawrence D'Oliveiro wrote:

>I did write “dns.google.”, did I not?

It works with nslookup, though

joerg@jazz:~$ nslookup dns.google.
Server: 192.168.1.18
Address: 192.168.1.18#53

Non-authoritative answer:
Name: dns.google
Address: 8.8.8.8
Name: dns.google
Address: 8.8.4.4
Name: dns.google
Address: 2001:4860:4860::8844
Name: dns.google
Address: 2001:4860:4860::8888

-jw-
--
And now for something completely different...

Subject: Re: Public DNS Services
From: Marco Moock
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Tue, 3 Sep 2024 17:50 UTC
References: 1
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: mm+usenet-es@dorfdsl.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Tue, 3 Sep 2024 19:50:52 +0200
Organization: A noiseless patient Spider
Lines: 16
Message-ID: <vb7i9t$3dlqr$3@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Injection-Date: Tue, 03 Sep 2024 19:50:53 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="86523e95a758ebc5068eb09e3e7593c2";
logging-data="3594075"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/JgkLXukEfvTm+UH+zt6Uq"
Cancel-Lock: sha1:WmASMYKKV3i5B+SSsH08hJ1sqJs=
View all headers

On 02.09.2024 um 01:51 Uhr Lawrence D'Oliveiro wrote:

> We all know about the public DNS services offered by Google (8.8.8.8,
> 8.8.4.4) and Cloudflare (1.1.1.1, 1.0.0.1); did you know these
> addresses have names as well? And of course there are IPv6 addresses
> to go with the IPv4 ones.

Yes, but I only use them for testing.
I run my own resolver with BIND9 on my machines at home.

--
kind regards
Marco

Send spam to 1725234698muell@cartoonies.org

Subject: Re: Public DNS Services
From: SH
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Tue, 3 Sep 2024 21:07 UTC
References: 1 2 3 4
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: i.love@spam.com (SH)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Tue, 3 Sep 2024 22:07:06 +0100
Organization: A noiseless patient Spider
Lines: 31
Message-ID: <vb7tpq$3fqt6$1@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me>
<shlbdjdaee8vur818ceakd8hpnmltnbp84@joergwalther.my-fqdn.de>
<vb5c6h$30ieg$1@dont-email.me>
<186edj9pltl8q22m7q57n3skmjujej2j5t@joergwalther.my-fqdn.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Tue, 03 Sep 2024 23:07:06 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="2a5e9333444c268b9e0464f88436c23b";
logging-data="3664806"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19QvWqP8JeBYoksy4ikERlucIzDKqbdSGQ="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:iReXSlhOa1Okc8J5PeHTQ+QHIbk=
Content-Language: en-GB
In-Reply-To: <186edj9pltl8q22m7q57n3skmjujej2j5t@joergwalther.my-fqdn.de>
View all headers

On 03/09/2024 15:11, Joerg Walther wrote:
> Lawrence D'Oliveiro wrote:
>
>> I did write “dns.google.”, did I not?
>
> It works with nslookup, though
>
> joerg@jazz:~$ nslookup dns.google.
> Server: 192.168.1.18
> Address: 192.168.1.18#53
>
> Non-authoritative answer:
> Name: dns.google
> Address: 8.8.8.8
> Name: dns.google
> Address: 8.8.4.4
> Name: dns.google
> Address: 2001:4860:4860::8844
> Name: dns.google
> Address: 2001:4860:4860::8888
>
> -jw-

Done the nslookup command and I get:

Name: dns.google
Addresses: ::
0.0.0.0

Subject: Re: Public DNS Services
From: Lawrence D'Oliv
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Tue, 3 Sep 2024 22:02 UTC
References: 1 2 3 4
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Tue, 3 Sep 2024 22:02:44 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 22
Message-ID: <vb8124$3g6hb$4@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me>
<shlbdjdaee8vur818ceakd8hpnmltnbp84@joergwalther.my-fqdn.de>
<vb5c6h$30ieg$1@dont-email.me>
<706edj1jenhfulqq3tf79hnovfeqrtahgu@joergwalther.my-fqdn.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Wed, 04 Sep 2024 00:02:44 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="176f5fbfb5d1157be6fd816dae78eee8";
logging-data="3676715"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+v0MwTwUmDTw13Ti66eFQn"
User-Agent: Pan/0.160 (Toresk; )
Cancel-Lock: sha1:/fpJid6wd5yN4W2bumwBDFA0WGI=
View all headers

On Tue, 03 Sep 2024 16:09:36 +0200, Joerg Walther wrote:

> Lawrence D'Oliveiro wrote:
>
>>> joerg@jazz:~$ host -a dns.google
>>> Trying "dns.google"
>>> Host dns.google not found: 4(NOTIMP)
>>
>>I did write “dns.google.”, did I not?
>
> That's what the system changed it to before actually issuing the
> command.
>
> joerg@jazz:~$ host -a dns.google.
> Trying "dns.google"
> Host dns.google not found: 4(NOTIMP)

Odd. Trouble with your ISP’s caching name servers?

Try specifically addressing the query to a known-good name server, e.g.

host -a dns.google. 8.8.8.8

Subject: Re: Public DNS Services
From: Lawrence D'Oliv
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Tue, 3 Sep 2024 23:04 UTC
References: 1 2 3
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Tue, 3 Sep 2024 23:04:47 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 12
Message-ID: <vb84mf$3grho$1@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me> <vb6eev$38t9g$2@dont-email.me>
<ljnvoqFarb8U1@mid.individual.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Wed, 04 Sep 2024 01:04:48 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="176f5fbfb5d1157be6fd816dae78eee8";
logging-data="3698232"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/ORTm+otioGYTwEBVPTH0O"
User-Agent: Pan/0.160 (Toresk; )
Cancel-Lock: sha1:Be2xZqPsA2MfCeAYs+DUdFuiu2o=
View all headers

On Tue, 3 Sep 2024 09:30:10 +0100, Andy Burns wrote:

>> (On Windows 11)
>
> use nslookup instead

Doesn’t seem to have the equivalent of the “-a” option of host.

host -a dns.google. | grep -c '^dns'
26

I get 26 lines of info; how many lines do you get?

Subject: Re: Public DNS Services
From: Andy Burns
Newsgroups: comp.misc
Date: Wed, 4 Sep 2024 09:19 UTC
References: 1 2 3 4
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: usenet@andyburns.uk (Andy Burns)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Wed, 4 Sep 2024 10:19:30 +0100
Lines: 67
Message-ID: <ljqn12Fnku8U1@mid.individual.net>
References: <vb35n9$1qeok$3@dont-email.me> <vb6eev$38t9g$2@dont-email.me>
<ljnvoqFarb8U1@mid.individual.net> <vb84mf$3grho$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
X-Trace: individual.net kMakZVd6RnQwt4MamzzdfQx3OIWnhCbj3GM7A+SdB8CUqg88FE
Cancel-Lock: sha1:3MJKPwj6tSMobeyPOhQw9h7i5z0= sha256:INhhH8XYoJzQNqTCPo0ZMoXj1CIcEscbJZhAj4htEio=
User-Agent: Mozilla Thunderbird
Content-Language: en-GB
In-Reply-To: <vb84mf$3grho$1@dont-email.me>
View all headers

Lawrence D'Oliveiro wrote:

> Andy Burns wrote:
>
>> use nslookup instead
>
> Doesn’t seem to have the equivalent of the “-a” option of host.
>
> host -a dns.google. | grep -c '^dns'
> 26
>
> I get 26 lines of info; how many lines do you get?

windows
=======
C:\Users\Andy>nslookup dns.google. 192.168.1.1
Server: UnKnown
Address: 192.168.1.1

Non-authoritative answer:
Name: dns.google
Addresses: 2001:4860:4860::8844
2001:4860:4860::8888
8.8.4.4
8.8.8.8

wsl2
====

root@YogaHome:~# nslookup dns.google. 192.168.1.1
Server: 192.168.1.1
Address: 192.168.1.1#53

Non-authoritative answer:
Name: dns.google
Address: 8.8.4.4
Name: dns.google
Address: 8.8.8.8
Name: dns.google
Address: 2001:4860:4860::8844
Name: dns.google
Address: 2001:4860:4860::8888

the "host -a" seems to rely on the DNS server supporting queries over
TCP as well as UDP, my Draytek router only supports UDP

root@YogaHome:~# host -a dns.google. 192.168.1.1
Trying "dns.google"
Trying "dns.google"
;; Connection to 192.168.1.1#53(192.168.1.1) for dns.google. failed:
timed out.
;; no servers could be reached

Using other DNS servers which do support TCP, the amount of info
returned seems to depend on what types of RR they support, mainly DNSSEC?

root@YogaHome:~# host -a dns.google. 9.9.9.9 | wc -l
27
root@YogaHome:~# host -a dns.google. 8.8.8.8 | wc -l
42
root@YogaHome:~# host -a dns.google. 94.247.43.254 | wc -l
17

Subject: Re: Public DNS Services
From: Lawrence D'Oliv
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Wed, 4 Sep 2024 09:28 UTC
References: 1 2 3 4 5
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Wed, 4 Sep 2024 09:28:21 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 6
Message-ID: <vb997l$3pmo5$1@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me> <vb6eev$38t9g$2@dont-email.me>
<ljnvoqFarb8U1@mid.individual.net> <vb84mf$3grho$1@dont-email.me>
<ljqn12Fnku8U1@mid.individual.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Wed, 04 Sep 2024 11:28:21 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="176f5fbfb5d1157be6fd816dae78eee8";
logging-data="3988229"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/rq3r4v1wxJUoWF6H1fZ2b"
User-Agent: Pan/0.160 (Toresk; )
Cancel-Lock: sha1:zZ8RPdml9GolSDnd84Gt6dlUnXE=
View all headers

On Wed, 4 Sep 2024 10:19:30 +0100, Andy Burns wrote:

> the "host -a" seems to rely on the DNS server supporting queries over
> TCP as well as UDP, my Draytek router only supports UDP

Try going direct.

Subject: Re: Public DNS Services
From: Andy Burns
Newsgroups: comp.misc
Date: Wed, 4 Sep 2024 10:22 UTC
References: 1 2 3 4 5 6
Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: usenet@andyburns.uk (Andy Burns)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Wed, 4 Sep 2024 11:22:19 +0100
Lines: 11
Message-ID: <ljqqmrFo3j0U1@mid.individual.net>
References: <vb35n9$1qeok$3@dont-email.me> <vb6eev$38t9g$2@dont-email.me>
<ljnvoqFarb8U1@mid.individual.net> <vb84mf$3grho$1@dont-email.me>
<ljqn12Fnku8U1@mid.individual.net> <vb997l$3pmo5$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: individual.net 6wIUM0QTHxTC3lFZA2heBgByb9QIHVc6HAgMuHbwpK4VZHrM+I
Cancel-Lock: sha1:sDASf5yLSiENFnUOe6STFn7jkFA= sha256:WvMtqce7xgqjISF2cLgGNoHxp6j94zNjBFQpETbcZl4=
User-Agent: Mozilla Thunderbird
Content-Language: en-GB
In-Reply-To: <vb997l$3pmo5$1@dont-email.me>
View all headers

Lawrence D'Oliveiro wrote:

> Andy Burns wrote:
>
>> the "host -a" seems to rely on the DNS server supporting queries over
>> TCP as well as UDP, my Draytek router only supports UDP
>
> Try going direct.

The outputs showing up to 42 lines of output were from when I did that,
but I have no need to know all those RRSIG/DNSKEY answers

Subject: Re: Public DNS Services
From: Lawrence D'Oliv
Newsgroups: comp.misc
Organization: A noiseless patient Spider
Date: Wed, 11 Sep 2024 23:36 UTC
References: 1 2
Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.misc
Subject: Re: Public DNS Services
Date: Wed, 11 Sep 2024 23:36:50 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 13
Message-ID: <vbt9ii$3s352$1@dont-email.me>
References: <vb35n9$1qeok$3@dont-email.me> <vb5c7i$30ieg$2@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Thu, 12 Sep 2024 01:36:51 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="c5647ce48d163d1fa81e213bd6f20c9e";
logging-data="4066466"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18peP3KiXlEiV4keVpiolEt"
User-Agent: Pan/0.160 (Toresk; )
Cancel-Lock: sha1:OvHuQCJy8BUUIn4qbKomFdGleJk=
View all headers

On Mon, 2 Sep 2024 21:54:58 -0000 (UTC), I wrote:

> On Mon, 2 Sep 2024 01:51:38 -0000 (UTC), I wrote:
>
>> Try this command to find out all the related Google DNS services:
>>
>> host -a dns.google.
>>
>> That’s quite a breathtaking list of entries.
>
> Anyone spotted the easter egg yet?

dns.google. 300 IN TXT "https://xkcd.com/1361/"

1

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