[dns-operations] Google Public DNS
Carlos M. Martinez
carlosm3011 at gmail.com
Thu Nov 15 13:38:58 UTC 2012
I'm willing to bet there is no single set of 'actual working servers'.
And since they are recursive servers, there are no 'hidden master'
servers anywhere either.
Just a happy bunch of servers with the same IPs :-)
regards
Carlos
On 11/15/12 11:35 AM, Liu Mingxing wrote:
> How do you know where the actual working servers of google public DNS are?
>
> ------------------------------------------------------------------------
> Liu Mingxing
>
> *From:* Stephan Lagerholm <mailto:stephan.lagerholm at secure64.com>
> *Date:* 2012-10-03 09:45
> *To:* Adam King <mailto:adam.king at auda.org.au>;
> dns-operations at lists.dns-oarc.net <mailto:dns-operations at lists.dns-oarc.net>
> *Subject:* Re: [dns-operations] Google Public DNS
> I'm getting NOERROR from Dallas, Texas and Stockholm, Sweden.
>
> /S
>
> -----Original Message-----
> From: dns-operations-bounces at lists.dns-oarc.net
> [mailto:dns-operations-bounces at lists.dns-oarc.net] On Behalf Of Adam
> King
> Sent: Tuesday, October 02, 2012 8:41 PM
> To: dns-operations at lists.dns-oarc.net
> Subject: [dns-operations] Google Public DNS
>
> I am receiving SERVFAIL from both 8.8.8.8 or 8.8.4.4 for specific
> domains (icann.org, ietf.org, isc.org)
>
> Is anyone else seeing this?
> Is this intentional?
>
> dig @8.8.8.8 icann.org
>
> ; <<>> DiG 9.5.1-P3 <<>> @8.8.8.8 icann.org ; (1 server found) ;; global
> options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 41597 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;icann.org. IN A
>
> ;; Query time: 48 msec
> ;; SERVER: 8.8.8.8#53(8.8.8.8)
> ;; WHEN: Wed Oct 3 10:42:24 2012
> ;; MSG SIZE rcvd: 27
>
> dig @8.8.4.4 icann.org
>
> ; <<>> DiG 9.5.1-P3 <<>> @8.8.4.4 icann.org ; (1 server found) ;; global
> options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 1755 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;icann.org. IN A
>
> ;; Query time: 5001 msec
> ;; SERVER: 8.8.4.4#53(8.8.4.4)
> ;; WHEN: Wed Oct 3 11:25:56 2012
> ;; MSG SIZE rcvd: 27
>
> dig @8.8.4.4 isc.org
>
> ; <<>> DiG 9.5.1-P3 <<>> @8.8.4.4 isc.org ; (1 server found) ;; global
> options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 64761 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;isc.org. IN A
>
> ;; Query time: 0 msec
> ;; SERVER: 8.8.4.4#53(8.8.4.4)
> ;; WHEN: Wed Oct 3 11:26:16 2012
> ;; MSG SIZE rcvd: 25
>
> dig @8.8.4.4 ietf.org.
>
> ; <<>> DiG 9.5.1-P3 <<>> @8.8.4.4 ietf.org.
> ; (1 server found)
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 6760 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;ietf.org. IN A
>
> ;; Query time: 34 msec
> ;; SERVER: 8.8.4.4#53(8.8.4.4)
> ;; WHEN: Wed Oct 3 11:29:52 2012
> ;; MSG SIZE rcvd: 26
>
> dig @8.8.4.4 ietf.org
>
> ; <<>> DiG 9.5.1-P3 <<>> @8.8.4.4 ietf.org ; (1 server found) ;; global
> options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 35189 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;ietf.org. IN A
>
> ;; Query time: 4987 msec
> ;; SERVER: 8.8.4.4#53(8.8.4.4)
> ;; WHEN: Wed Oct 3 11:30:00 2012
> ;; MSG SIZE rcvd: 26
>
> dig @8.8.8.8 ietf.org
>
> ; <<>> DiG 9.5.1-P3 <<>> @8.8.8.8 ietf.org ; (1 server found) ;; global
> options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 40815 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;ietf.org. IN A
>
> ;; Query time: 15 msec
> ;; SERVER: 8.8.8.8#53(8.8.8.8)
> ;; WHEN: Wed Oct 3 11:30:13 2012
> ;; MSG SIZE rcvd: 26
>
> dig @8.8.8.8 ietf.org mx
>
> ; <<>> DiG 9.5.1-P3 <<>> @8.8.8.8 ietf.org mx ; (1 server found) ;;
> global options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 5086 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;ietf.org. IN MX
>
> ;; Query time: 18 msec
> ;; SERVER: 8.8.8.8#53(8.8.8.8)
> ;; WHEN: Wed Oct 3 11:30:30 2012
> ;; MSG SIZE rcvd: 26
>
>
> Adam King
> auDA
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