Skip to content

Instantly share code, notes, and snippets.

@tkusano
Created November 27, 2014 01:42
Show Gist options
  • Save tkusano/355224e6d8bf33b9830c to your computer and use it in GitHub Desktop.
Save tkusano/355224e6d8bf33b9830c to your computer and use it in GitHub Desktop.
cloudfront DNS trouble 2014-11-27 10:42 (+0900)
$ dig +norec @205.251.194.154 d36cz9buwru1tt.cloudfront.net.
; <<>> DiG 9.9.5-3-Ubuntu <<>> +norec @a.root-servers.net d36cz9buwru1tt.cloudfront.net.
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10611
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 16
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1472
;; QUESTION SECTION:
;d36cz9buwru1tt.cloudfront.net. IN A
;; AUTHORITY SECTION:
net. 172800 IN NS a.gtld-servers.net.
net. 172800 IN NS b.gtld-servers.net.
net. 172800 IN NS c.gtld-servers.net.
net. 172800 IN NS d.gtld-servers.net.
net. 172800 IN NS e.gtld-servers.net.
net. 172800 IN NS f.gtld-servers.net.
net. 172800 IN NS g.gtld-servers.net.
net. 172800 IN NS h.gtld-servers.net.
net. 172800 IN NS i.gtld-servers.net.
net. 172800 IN NS j.gtld-servers.net.
net. 172800 IN NS k.gtld-servers.net.
net. 172800 IN NS l.gtld-servers.net.
net. 172800 IN NS m.gtld-servers.net.
;; ADDITIONAL SECTION:
a.gtld-servers.net. 172800 IN A 192.5.6.30
b.gtld-servers.net. 172800 IN A 192.33.14.30
c.gtld-servers.net. 172800 IN A 192.26.92.30
d.gtld-servers.net. 172800 IN A 192.31.80.30
e.gtld-servers.net. 172800 IN A 192.12.94.30
f.gtld-servers.net. 172800 IN A 192.35.51.30
g.gtld-servers.net. 172800 IN A 192.42.93.30
h.gtld-servers.net. 172800 IN A 192.54.112.30
i.gtld-servers.net. 172800 IN A 192.43.172.30
j.gtld-servers.net. 172800 IN A 192.48.79.30
k.gtld-servers.net. 172800 IN A 192.52.178.30
l.gtld-servers.net. 172800 IN A 192.41.162.30
m.gtld-servers.net. 172800 IN A 192.55.83.30
a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30
b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30
;; Query time: 116 msec
;; SERVER: 198.41.0.4#53(198.41.0.4)
;; WHEN: Thu Nov 27 10:31:36 JST 2014
;; MSG SIZE rcvd: 543
$ dig +norec @192.55.83.30 d36cz9buwru1tt.cloudfront.net.
; <<>> DiG 9.9.5-3-Ubuntu <<>> +norec @192.55.83.30 d36cz9buwru1tt.cloudfront.net.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47433
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 3
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;d36cz9buwru1tt.cloudfront.net. IN A
;; AUTHORITY SECTION:
cloudfront.net. 172800 IN NS ns-666.awsdns-19.net.
cloudfront.net. 172800 IN NS ns-418.awsdns-52.com.
cloudfront.net. 172800 IN NS ns-1597.awsdns-07.co.uk.
cloudfront.net. 172800 IN NS ns-1306.awsdns-35.org.
;; ADDITIONAL SECTION:
ns-666.awsdns-19.net. 172800 IN A 205.251.194.154
ns-418.awsdns-52.com. 172800 IN A 205.251.193.162
;; Query time: 168 msec
;; SERVER: 192.55.83.30#53(192.55.83.30)
;; WHEN: Thu Nov 27 10:32:00 JST 2014
;; MSG SIZE rcvd: 227
$ dig +norec @205.251.194.154 d36cz9buwru1tt.cloudfront.net.
; <<>> DiG 9.9.5-3-Ubuntu <<>> +norec @205.251.194.154 d36cz9buwru1tt.cloudfront.net.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34200
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;d36cz9buwru1tt.cloudfront.net. IN A
;; AUTHORITY SECTION:
d36cz9buwru1tt.cloudfront.net. 1831 IN NS ns-1442.awsdns-52.org.
d36cz9buwru1tt.cloudfront.net. 1831 IN NS ns-1770.awsdns-29.co.uk.
d36cz9buwru1tt.cloudfront.net. 1831 IN NS ns-278.awsdns-34.com.
d36cz9buwru1tt.cloudfront.net. 1831 IN NS ns-602.awsdns-11.net.
;; Query time: 12 msec
;; SERVER: 205.251.194.154#53(205.251.194.154)
;; WHEN: Thu Nov 27 10:32:22 JST 2014
;; MSG SIZE rcvd: 195
$ dig +norec @a.root-servers.net ns-602.awsdns-11.net.
; <<>> DiG 9.9.5-3-Ubuntu <<>> +norec @a.root-servers.net ns-602.awsdns-11.net.
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54121
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 16
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;ns-602.awsdns-11.net. IN A
;; AUTHORITY SECTION:
net. 172800 IN NS m.gtld-servers.net.
net. 172800 IN NS l.gtld-servers.net.
net. 172800 IN NS k.gtld-servers.net.
net. 172800 IN NS j.gtld-servers.net.
net. 172800 IN NS i.gtld-servers.net.
net. 172800 IN NS h.gtld-servers.net.
net. 172800 IN NS g.gtld-servers.net.
net. 172800 IN NS f.gtld-servers.net.
net. 172800 IN NS e.gtld-servers.net.
net. 172800 IN NS d.gtld-servers.net.
net. 172800 IN NS c.gtld-servers.net.
net. 172800 IN NS b.gtld-servers.net.
net. 172800 IN NS a.gtld-servers.net.
;; ADDITIONAL SECTION:
m.gtld-servers.net. 172800 IN A 192.55.83.30
l.gtld-servers.net. 172800 IN A 192.41.162.30
k.gtld-servers.net. 172800 IN A 192.52.178.30
j.gtld-servers.net. 172800 IN A 192.48.79.30
i.gtld-servers.net. 172800 IN A 192.43.172.30
h.gtld-servers.net. 172800 IN A 192.54.112.30
g.gtld-servers.net. 172800 IN A 192.42.93.30
f.gtld-servers.net. 172800 IN A 192.35.51.30
e.gtld-servers.net. 172800 IN A 192.12.94.30
d.gtld-servers.net. 172800 IN A 192.31.80.30
c.gtld-servers.net. 172800 IN A 192.26.92.30
b.gtld-servers.net. 172800 IN A 192.33.14.30
b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30
a.gtld-servers.net. 172800 IN A 192.5.6.30
a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30
;; Query time: 117 msec
;; SERVER: 198.41.0.4#53(198.41.0.4)
;; WHEN: Thu Nov 27 10:35:11 JST 2014
;; MSG SIZE rcvd: 534
$ dig +norec @205.251.193.204 ns-602.awsdns-11.net.
; <<>> DiG 9.9.5-3-Ubuntu <<>> +norec @205.251.193.204 ns-602.awsdns-11.net.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37754
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 5
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;ns-602.awsdns-11.net. IN A
;; ANSWER SECTION:
ns-602.awsdns-11.net. 172800 IN A 205.251.194.90
;; AUTHORITY SECTION:
awsdns-11.net. 172800 IN NS g-ns-1355.awsdns-11.net.
awsdns-11.net. 172800 IN NS g-ns-1931.awsdns-11.net.
awsdns-11.net. 172800 IN NS g-ns-460.awsdns-11.net.
awsdns-11.net. 172800 IN NS g-ns-781.awsdns-11.net.
;; ADDITIONAL SECTION:
g-ns-1355.awsdns-11.net. 172800 IN A 205.251.197.75
g-ns-1931.awsdns-11.net. 172800 IN A 205.251.199.139
g-ns-460.awsdns-11.net. 172800 IN A 205.251.193.204
g-ns-781.awsdns-11.net. 172800 IN A 205.251.195.13
;; Query time: 42 msec
;; SERVER: 205.251.193.204#53(205.251.193.204)
;; WHEN: Thu Nov 27 10:35:33 JST 2014
;; MSG SIZE rcvd: 223
$ dig +norec @205.251.193.204 ns-602.awsdns-11.net.
; <<>> DiG 9.9.5-3-Ubuntu <<>> +norec @205.251.193.204 ns-602.awsdns-11.net.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43590
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 5
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;ns-602.awsdns-11.net. IN A
;; ANSWER SECTION:
ns-602.awsdns-11.net. 172800 IN A 205.251.194.90
;; AUTHORITY SECTION:
awsdns-11.net. 172800 IN NS g-ns-1355.awsdns-11.net.
awsdns-11.net. 172800 IN NS g-ns-1931.awsdns-11.net.
awsdns-11.net. 172800 IN NS g-ns-460.awsdns-11.net.
awsdns-11.net. 172800 IN NS g-ns-781.awsdns-11.net.
;; ADDITIONAL SECTION:
g-ns-1355.awsdns-11.net. 172800 IN A 205.251.197.75
g-ns-1931.awsdns-11.net. 172800 IN A 205.251.199.139
g-ns-460.awsdns-11.net. 172800 IN A 205.251.193.204
g-ns-781.awsdns-11.net. 172800 IN A 205.251.195.13
;; Query time: 40 msec
;; SERVER: 205.251.193.204#53(205.251.193.204)
;; WHEN: Thu Nov 27 10:37:54 JST 2014
;; MSG SIZE rcvd: 223
$ dig +norec @205.251.194.90 d36cz9buwru1tt.cloudfront.net.
; <<>> DiG 9.9.5-3-Ubuntu <<>> +norec @205.251.194.90 d36cz9buwru1tt.cloudfront.net.
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment