$dig @202.141.162.123 www.pixiv.net +tcp
; <<>> DiG 9.10.3-P4-Debian <<>> @202.141.162.123 www.pixiv.net +tcp
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 48332
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.pixiv.net. IN A
;; Query time: 5103 msec
;; SERVER: 202.141.162.123#53(202.141.162.123)
;; WHEN: Sun Nov 19 10:18:31 CST 2017
;; MSG SIZE rcvd: 42
; <<>> DiG 9.10.3-P4-Debian <<>> @202.141.162.123 www.pixiv.net +tcp
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 48332
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.pixiv.net. IN A
;; Query time: 5103 msec
;; SERVER: 202.141.162.123#53(202.141.162.123)
;; WHEN: Sun Nov 19 10:18:31 CST 2017
;; MSG SIZE rcvd: 42