Tumblr dns 問題

まず。
; <<>> DiG 9.5.0-P2 <<>> assets.tumblr.com A
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23974
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;assets.tumblr.com. IN A

;; ANSWER SECTION:
assets.tumblr.com. 1155 IN CNAME g1.panthercdn.com.

次に
<<>> DiG 9.5.0-P2 <<>> g1.panthercdn.com A
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18559
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;g1.panthercdn.com. IN A

さらに
; <<>> DiG 9.5.0-P2 <<>> @ns1.panthercdn.com assets.tumblr.com A
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53243
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;assets.tumblr.com. IN A

もいっちょ
; <<>> DiG 9.5.0-P2 <<>> @ns1.panthercdn.com g1.panthercdn.com A
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40084
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;g1.panthercdn.com. IN A

;; ANSWER SECTION:
g1.panthercdn.com. 20 IN A 66.114.48.47


最後に
; <<>> DiG 9.5.0-P2 <<>> @208.67.222.222 assets.tumbler.com A
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34623
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;assets.tumbler.com. IN A

;; ANSWER SECTION:
assets.tumbler.com. 0 IN A 208.67.216.132

208.67.222.222はOpenDNSサーバ

サーバ移行中なのかな。