我这边测试了一下是 OK 的，119.29.29.29 能够正常解析到域名
fonts.gstatic.com 。不过查了这个域名是 google 的，有些网络不能解析可能跟运营商的限制有关，毕竟 google 退出中国之后，有些域名还是受到限制的。请看下面：
linux$ dig
fonts.gstatic.com @
119.29.29.29
; <<>> DiG 9.10.3-P4-Ubuntu <<>>
fonts.gstatic.com @
119.29.29.29
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22116
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
fonts.gstatic.com. IN A
;; ANSWER SECTION:
fonts.gstatic.com. 120 IN CNAME
gstaticadssl.l.google.com.
gstaticadssl.l.google.com. 18 IN A 203.208.51.87
gstaticadssl.l.google.com. 18 IN A 203.208.51.79
gstaticadssl.l.google.com. 18 IN A 203.208.51.88
gstaticadssl.l.google.com. 18 IN A 203.208.51.95
;; Query time: 8 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Fri Dec 29 09:52:29 DST 2017
;; MSG SIZE rcvd: 146
----------------------------------------------------------------------------------------------------
linux/$ dig
fonts.gstatic.com @
119.28.28.28
; <<>> DiG 9.10.3-P4-Ubuntu <<>>
fonts.gstatic.com @
119.28.28.28
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49460
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
fonts.gstatic.com. IN A
;; ANSWER SECTION:
fonts.gstatic.com. 123 IN CNAME
gstaticadssl.l.google.com.
gstaticadssl.l.google.com. 123 IN A 216.58.220.195
;; Query time: 9 msec
;; SERVER: 119.28.28.28#53(119.28.28.28)
;; WHEN: Fri Dec 29 11:38:40 DST 2017
;; MSG SIZE rcvd: 98
---------------------------------------------------------------------------------------------
linux:/$ dig
fonts.gstatic.com @
182.254.116.116
; <<>> DiG 9.10.3-P4-Ubuntu <<>>
fonts.gstatic.com @
182.254.116.116
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41104
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
fonts.gstatic.com. IN A
;; ANSWER SECTION:
fonts.gstatic.com. 104 IN CNAME
gstaticadssl.l.google.com.
gstaticadssl.l.google.com. 16 IN A 203.208.43.127
gstaticadssl.l.google.com. 16 IN A 203.208.43.111
gstaticadssl.l.google.com. 16 IN A 203.208.43.119
gstaticadssl.l.google.com. 16 IN A 203.208.43.120
;; Query time: 10 msec
;; SERVER: 182.254.116.116#53(182.254.116.116)
;; WHEN: Fri Dec 29 11:50:35 DST 2017
;; MSG SIZE rcvd: 146
-----------------------------------------------------------------------------------------------------
linux@DESKTOP-F7RK6L5:/$ dig
fonts.gstatic.com @
182.254.118.118
; <<>> DiG 9.10.3-P4-Ubuntu <<>>
fonts.gstatic.com @
182.254.118.118
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17342
;; flags: qr rd ra; QUERY: 1, ANSWER: 9, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;
fonts.gstatic.com. IN A
;; ANSWER SECTION:
fonts.gstatic.com. 256 IN CNAME
gstaticadssl.l.google.com.
gstaticadssl.l.google.com. 256 IN A 203.208.43.79
gstaticadssl.l.google.com. 256 IN A 203.208.43.87
gstaticadssl.l.google.com. 256 IN A 203.208.43.95
gstaticadssl.l.google.com. 256 IN A 203.208.43.88
gstaticadssl.l.google.com. 136 IN A 203.208.43.79
gstaticadssl.l.google.com. 136 IN A 203.208.43.88
gstaticadssl.l.google.com. 136 IN A 203.208.43.87
gstaticadssl.l.google.com. 136 IN A 203.208.43.95
;; Query time: 34 msec
;; SERVER: 182.254.118.118#53(182.254.118.118)
;; WHEN: Fri Dec 29 11:51:09 DST 2017
;; MSG SIZE rcvd: 210
楼主可以看我的以上分析。
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