usfj.mil DNSSEC Outage: 2016-04-07 to 2016-04-08
Updated: April 8, 2016
Overview
This page gives some details on the usfj.mil DNSSEC outage from April 7 to April 8, 2016. It was the 10th DNSSEC outage of the year for usfj.mil.
Timeline / DNSViz
- 2016-04-07 21:48:24 UTC — RRSIGs expire
- 2016-04-07 22:46:19 UTC — expired RRSIGs
- 2016-04-08 06:46:15 UTC — expired RRSIGs
- 2016-04-08 14:45:54 UTC — expired RRSIGs
- 2016-04-08 18:05:30 UTC — last personally observed usfj.mil DNSSEC failure
- 2016-04-08 21:49:53 UTC — some expired RRSIGs, but DNSSEC outage mostly over
OpenDNS and Google Public DNS
OpenDNS does not support DNSSEC, instead supporting DNSCurve. Google Public DNS currently supports only DNSSEC, and thus, Google's users saw SERVFAIL for queries under usfj.mil during this outage.
With OpenDNS, queries succeed:
$ dig www.usfj.mil. @resolver1.opendns.com
; <<>> DiG 9.4.2-P2 <<>> www.usfj.mil. @resolver1.opendns.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3994
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.usfj.mil. IN A
;; ANSWER SECTION:
www.usfj.mil. 1235 IN CNAME www.dodpw.defense.gov.edgesuite.net.
www.dodpw.defense.gov.edgesuite.net. 269 IN CNAME a1603.dscb.akamai.net.
a1603.dscb.akamai.net. 20 IN A 173.205.30.90
a1603.dscb.akamai.net. 20 IN A 173.205.30.122
;; Query time: 368 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Thu Apr 7 22:49:35 2016
;; MSG SIZE rcvd: 143
With Google Public DNS, because of DNSSEC, queries fail:
$ dig +dnssec www.usfj.mil. @8.8.8.8
; <<>> DiG 9.4.2-P2 <<>> +dnssec www.usfj.mil. @8.8.8.8
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 24775
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 512
;; QUESTION SECTION:
;www.usfj.mil. IN A
;; Query time: 423 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Apr 7 22:49:35 2016
;; MSG SIZE rcvd: 41
dnscheck
dnscheck.labs.nic.cz archived a DNSSEC outage at 2016-04-07 22:49:16 (requires javascript).
dnscheck.iis.se archived a DNSSEC outage at 2016-04-07 22:48:49 (requires javascript).
zonemaster
zonemaster archived this usfj.mil DNSSEC outage.
Logfile examples
- [1460069792] unbound[2991:0] info: validation failure <www.usfj.mil. A IN>: signature expired from 199.211.150.66 for key usfj.mil. while building chain of trust
- [1460138730] unbound[17534:0] info: validation failure <www.usfj.mil. A IN>: key for validation usfj.mil. is marked as invalid because of a previous validation failure <usfj.mil. A IN>: signature expired from 199.211.150.66 for key usfj.mil. while building chain of trust