usfj.mil DNSSEC Outage: 2016-08-15
Updated: August 15, 2016
Overview
This page gives some details on the usfj.mil DNSSEC outage on August 15, 2016.
Timeline / DNSViz
- 2016-08-15 00:44:53 UTC — RRSIGs expire
- 2016-08-15 00:45:20 UTC — expired RRSIGs
- 2016-08-15 06:39:53 UTC — last personally observed DNSSEC failure
- 2016-08-15 08:36:30 UTC — DNSSEC outage 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: 5507
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.usfj.mil. IN A
;; ANSWER SECTION:
www.usfj.mil. 6173 IN CNAME www.dodpw.defense.gov.edgesuite.net.
www.dodpw.defense.gov.edgesuite.net. 300 IN CNAME a1603.dscb.akamai.net.
a1603.dscb.akamai.net. 20 IN A 23.59.190.136
a1603.dscb.akamai.net. 20 IN A 23.59.190.105
;; Query time: 424 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Mon Aug 15 00:45:52 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: 30713
;; 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: 168 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Aug 15 00:45:52 2016
;; MSG SIZE rcvd: 41
dnscheck
dnscheck.labs.nic.cz archived expired RRSIGs (requires javascript).
dnscheck.iis.se archived expired RRSIGs (requires javascript).
Zonemaster
zonemaster.net archived this usfj.mil DNSSEC outage.
zonemaster.fr archived this usfj.mil DNSSEC outage.
Logfile examples
- [1471226431] unbound[20301:0] info: validation failure <www.usfj.mil. A IN>: signature expired from 199.211.150.66 for key usfj.mil. while building chain of trust
- [1471226696] unbound[20301:0] info: validation failure <usfj.mil. NS IN>: signature expired from 199.211.150.66 for key usfj.mil. while building chain of trust
- [1471243193] unbound[28494:0] info: validation failure <usfj.mil. A IN>: signature expired from 215.1.46.29 for <usfj.mil. SOA IN>