sporatic, noaa.gov SERVFAIL
Brad Bendily
Brad.Bendily.DCFS at LA.GOV
Thu Jan 29 20:14:06 UTC 2015
So, for a while we have had issues with resolving www.nhc.noaa.gov.
In the past, a full restart of named fixed it for some amount of time.
Last week I updated our named to 9.9.6-P1, so I assumed whatever the problem was would be resolved by this update. Apparently not.
As you can see from the dig commands below. One resolves correctly, then 2 minutes later SERVFAIL. How can I troubleshoot this further?
thanks
bb
dr93la08:/var/lib/named/slave # dig www.nhc.noaa.gov
; <<>> DiG 9.9.6-P1 <<>> www.nhc.noaa.gov ;; global options: +cmd ;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27700 ;; flags: qr rd ra; QUERY: 1, ANSWER: 12, AUTHORITY: 2, ADDITIONAL: 4
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.nhc.noaa.gov. IN A
;; ANSWER SECTION:
www.nhc.noaa.gov. 300 IN CNAME edge-nws.woc.noaa.gov.
edge-nws.woc.noaa.gov. 300 IN CNAME edge-p1.l.noaa.gov.
edge-p1.l.noaa.gov. 30 IN A 140.172.17.11
edge-p1.l.noaa.gov. 30 IN A 140.90.33.11
edge-p1.l.noaa.gov. 30 IN A 140.172.17.21
edge-p1.l.noaa.gov. 30 IN A 129.15.96.21
edge-p1.l.noaa.gov. 30 IN A 216.38.80.71
edge-p1.l.noaa.gov. 30 IN A 140.90.200.21
edge-p1.l.noaa.gov. 30 IN A 140.90.33.21
edge-p1.l.noaa.gov. 30 IN A 216.38.80.81
edge-p1.l.noaa.gov. 30 IN A 129.15.96.11
edge-p1.l.noaa.gov. 30 IN A 140.90.200.11
;; AUTHORITY SECTION:
gov. 172795 IN NS a.gov-servers.net.
gov. 172795 IN NS b.gov-servers.net.
;; ADDITIONAL SECTION:
a.gov-servers.net. 172795 IN A 69.36.157.30
a.gov-servers.net. 172795 IN AAAA 2001:500:4431::2:30
b.gov-servers.net. 172795 IN A 209.112.123.30
;; Query time: 3641 msec
;; SERVER: 10.120.11.107#53(10.120.11.107) ;; WHEN: Thu Jan 29 11:52:24 CST 2015 ;; MSG SIZE rcvd: 363
dr93la08:/var/lib/named/slave # dig www.nhc.noaa.gov
; <<>> DiG 9.9.6-P1 <<>> www.nhc.noaa.gov ;; global options: +cmd ;; Got answer:k ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 64437 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.nhc.noaa.gov. IN A
;; Query time: 320 msec
;; SERVER: 10.120.11.107#53(10.120.11.107) ;; WHEN: Thu Jan 29 11:53:59 CST 2015 ;; MSG SIZE rcvd: 45
bb
Brad Bendily
System Administrator
Northrop Grumman Corporation
Louisiana Dept. of
Children and Family Services
brad.bendily at la.gov
225.342.6972
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