貌似是某些境外 DNS 的问题。看下面一段的输出,最后两个 wget 是为了我用来测试的服务器在境外。
root@vultr:~# cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 2001:4860:4860::8888
nameserver 8.8.8.8
root@vultr:~# nslookup
www.mnsoso.comServer: 2001:4860:4860::8888
Address: 2001:4860:4860::8888#53
Non-authoritative answer:
Name:
www.mnsoso.comAddress: 159.106.121.75
root@vultr:~# nslookup
www.mnsoso.com 4.2.2.1
Server: 4.2.2.1
Address: 4.2.2.1#53
Non-authoritative answer:
Name:
www.mnsoso.comAddress: 106.185.33.28
root@vultr:~# nslookup
www.mnsoso.com 114.114.114.114
Server: 114.114.114.114
Address: 114.114.114.114#53
Non-authoritative answer:
Name:
www.mnsoso.comAddress: 106.185.33.28
root@vultr:~# nslookup
www.mnsoso.com 208.67.222.222
Server: 208.67.222.222
Address: 208.67.222.222#53
Non-authoritative answer:
Name:
www.mnsoso.comAddress: 159.106.121.75
root@vultr:~# nslookup
www.mnsoso.com 178.79.131.110
Server: 178.79.131.110
Address: 178.79.131.110#53
Non-authoritative answer:
Name:
www.mnsoso.comAddress: 106.185.33.28
root@vultr:~# wget
www.boxun.com--2016-02-25 02:56:58--
http://www.boxun.com/Resolving
www.boxun.com (
www.boxun.com)... 154.35.164.8
Connecting to
www.boxun.com (
www.boxun.com)|154.35.164.8|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 120438 (118K) [text/html]
Saving to: ‘ index.html.5 ’
index.html.5 100%[=====================================================>] 117.62K --.-KB/s in 0.1s
2016-02-25 02:56:58 (848 KB/s) - ‘ index.html.5 ’ saved [120438/120438]
root@vultr:~# wget
www.nytimes.com--2016-02-25 02:57:10--
http://www.nytimes.com/Resolving
www.nytimes.com (
www.nytimes.com)... 170.149.159.130
Connecting to
www.nytimes.com (
www.nytimes.com)|170.149.159.130|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: ‘ index.html.6 ’
index.html.6 [ <=> ] 169.92K --.-KB/s in 0.09s
2016-02-25 02:57:10 (1.86 MB/s) - ‘ index.html.6 ’ saved [173996]
root@vultr:~#