[outages] DNS: 8.8.8.8 won't resolve noaa.gov sites?
Jeremy Chadwick
outages at jdc.parodius.com
Thu Sep 1 23:02:56 EDT 2011
Can't reproduce from a Comcast residential connection. Note the use of
CNAMEs (in case you need to change your dig options), however. Here we
go:
$ dig @8.8.8.8 soa noaa.gov
; <<>> DiG 9.6.-ESV-R5 <<>> @8.8.8.8 soa noaa.gov
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35452
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;noaa.gov. IN SOA
;; ANSWER SECTION:
noaa.gov. 86400 IN SOA dns02.woc.noaa.gov. hostmaster.noaa.gov. 2011090205 10800 3600 604800 86400
;; Query time: 59 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Sep 1 19:59:49 2011
;; MSG SIZE rcvd: 83
$ dig @8.8.8.8 ns noaa.gov
; <<>> DiG 9.6.-ESV-R5 <<>> @8.8.8.8 ns noaa.gov
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63344
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;noaa.gov. IN NS
;; ANSWER SECTION:
noaa.gov. 77010 IN NS ns-nw.noaa.gov.
noaa.gov. 77010 IN NS ns-mw.noaa.gov.
noaa.gov. 77010 IN NS ns-e.noaa.gov.
;; Query time: 36 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Sep 1 19:59:54 2011
;; MSG SIZE rcvd: 85
$ dig @8.8.8.8 a www.noaa.gov
; <<>> DiG 9.6.-ESV-R5 <<>> @8.8.8.8 a www.noaa.gov
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3905
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.noaa.gov. IN A
;; ANSWER SECTION:
www.noaa.gov. 258 IN CNAME edge-hdq.woc.noaa.gov.
edge-hdq.woc.noaa.gov. 258 IN CNAME edge-rev.lb.noaa.gov.
edge-rev.lb.noaa.gov. 25 IN A 129.15.96.23
edge-rev.lb.noaa.gov. 25 IN A 140.90.33.23
edge-rev.lb.noaa.gov. 25 IN A 140.90.200.23
edge-rev.lb.noaa.gov. 25 IN A 140.172.17.23
;; Query time: 39 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Sep 1 19:59:59 2011
;; MSG SIZE rcvd: 147
$ dig @8.8.8.8 a edge-hdq.woc.noaa.gov.
; <<>> DiG 9.6.-ESV-R5 <<>> @8.8.8.8 a edge-hdq.woc.noaa.gov.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59998
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;edge-hdq.woc.noaa.gov. IN A
;; ANSWER SECTION:
edge-hdq.woc.noaa.gov. 300 IN CNAME edge-rev.lb.noaa.gov.
edge-rev.lb.noaa.gov. 30 IN A 129.15.96.23
edge-rev.lb.noaa.gov. 30 IN A 140.90.33.23
edge-rev.lb.noaa.gov. 30 IN A 140.90.200.23
edge-rev.lb.noaa.gov. 30 IN A 140.172.17.23
;; Query time: 83 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Sep 1 20:01:24 2011
;; MSG SIZE rcvd: 129
$ dig @8.8.8.8 a edge-rev.lb.noaa.gov.
; <<>> DiG 9.6.-ESV-R5 <<>> @8.8.8.8 a edge-rev.lb.noaa.gov.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27531
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;edge-rev.lb.noaa.gov. IN A
;; ANSWER SECTION:
edge-rev.lb.noaa.gov. 12 IN A 140.90.33.23
edge-rev.lb.noaa.gov. 12 IN A 140.90.200.23
edge-rev.lb.noaa.gov. 12 IN A 140.172.17.23
edge-rev.lb.noaa.gov. 12 IN A 129.15.96.23
;; Query time: 37 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Sep 1 20:01:47 2011
;; MSG SIZE rcvd: 102
--
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, US |
| Making life hard for others since 1977. PGP 4BD6C0CB |
On Thu, Sep 01, 2011 at 10:41:39PM -0400, Jay Ashworth wrote:
> [ Cross-posted to NANOG and Outages; replies to outages or outages-discussion;
> I would set the header, but Zimbra sucks. :-) ]
>
> I've had my home box set to use 8.8.8.8 as its primary resolver, falling back
> to the BBN anycast.
>
> Sometime today, 8.8.8.8 appears to have stopped resolving www.noaa.gov and
> www.nhc.noaa.gov:
>
> ; <<>> DiG 9.7.3-P3 <<>> @8.8.8.8 www.noaa.gov
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 34999
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;www.noaa.gov. IN A
>
> ;; Query time: 33 msec
> ;; SERVER: 8.8.8.8#53(8.8.8.8)
> ;; WHEN: Thu Sep 1 22:38:11 2011
> ;; MSG SIZE rcvd: 30
>
> though it resolves Yahoo and Google and Akamai.com and everything else
> I throw at it.
>
> Digging noaa.gov at 4.2.2.1 returns what I expect.
>
> Interesting, too, that Firefox 5.0 wouldn't DTRT, even though 4.2.2.1-3 were
> the backup nameservers in my resolv.conf.
>
> Road Runner Tampa Bay connection.
>
> Can anyone confirm or deny? Google DNS or NOAA people here, before I go ping
> NOAA staff on Twitter?
>
> Cheers,
> -- jra
> --
> Jay R. Ashworth Baylink jra at baylink.com
> Designer The Things I Think RFC 2100
> Ashworth & Associates http://baylink.pitas.com 2000 Land Rover DII
> St Petersburg FL USA http://photo.imageinc.us +1 727 647 1274
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