国内已经这样了吗？ *** UnKnown 找不到 www.usa.gov: Server failed

[whatever93]

这不至于吧……

[zhouyut001]

电信打的开，下一个

[SunnyLyx]

移动墙内墙，打不开

[whatever93]

@zhouyut001 看来是部分 dns 解析不了？

[westoy]

貌似 dns 出问题了， 墙外部分线路一样 could not resolve host, dig 一下 A 和 cname 都是空.

[ymg3009]

山东联通 打不开

[whatever93]

@westoy 看起来并不是
> www.usa.gov
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
www.usa.gov canonical name = d3373zkzjyplpu.cloudfront.net.
Name: d3373zkzjyplpu.cloudfront.net
Address: 52.84.16.39
Name: d3373zkzjyplpu.cloudfront.net
Address: 52.84.16.218
Name: d3373zkzjyplpu.cloudfront.net
Address: 52.84.16.119
Name: d3373zkzjyplpu.cloudfront.net
Address: 52.84.16.130

[ymg3009]

@whatever93 反正山东联通 DNS ping 不到 IP

[input2output]

江苏移动，可以打开

[sobigfish]

何止 ping 不通那么简单
对比一下
nslookup www.usa.gov 61.139.2.69
;; connection timed out; no servers could be reached
nslookup www.usa.gov 223.5.5.5
;; connection timed out; no servers could be reached
nslookup www.v2ex.com 223.5.5.5
Server: 223.5.5.5
Address: 223.5.5.5#53

Non-authoritative answer:
www.v2ex.com canonical name = global.v2ex.com.
略

[zn]

强迫症来纠正一下拼写错误：

UnKnown： 应为 Unknown （小写 k ）

[F1024]

可以打开啊 速度还挺快

[F1024]

正在 Ping d3373zkzjyplpu.cloudfront.net [13.33.25.34] 具有 32 字节的数据:
来自 13.33.25.34 的回复: 字节=32 时间=186ms TTL=240
来自 13.33.25.34 的回复: 字节=32 时间=185ms TTL=240
来自 13.33.25.34 的回复: 字节=32 时间=185ms TTL=240
来自 13.33.25.34 的回复: 字节=32 时间=186ms TTL=240

13.33.25.34 的 Ping 统计信息:
数据包: 已发送 = 4，已接收 = 4，丢失 = 0 (0% 丢失)，
往返行程的估计时间(以毫秒为单位):
最短 = 185ms，最长 = 186ms，平均 = 185ms

[zhouyut001]

dns 問題而已，運營商的 dns 國外的不一定全，用 114/1/8 這些大廠的不得了

[bclerdx]

@zhouyut001 也有可能是线路问题。

[bclerdx]

看楼主用什么 DNS 了。

[mytsing520]

; <<>> DiG 9.10-P2 <<>> +trace www.usa.gov
;; global options: +cmd
. 219858 IN NS h.root-servers.net.
. 219858 IN NS b.root-servers.net.
. 219858 IN NS k.root-servers.net.
. 219858 IN NS a.root-servers.net.
. 219858 IN NS d.root-servers.net.
. 219858 IN NS j.root-servers.net.
. 219858 IN NS i.root-servers.net.
. 219858 IN NS c.root-servers.net.
. 219858 IN NS m.root-servers.net.
. 219858 IN NS l.root-servers.net.
. 219858 IN NS e.root-servers.net.
. 219858 IN NS f.root-servers.net.
. 219858 IN NS g.root-servers.net.
. 219858 IN RRSIG NS 8 0 518400 20180929170000 20180916160000 41656 . aVUygIuykNR4Rhrsl7N/6UOwpuVT0fSS7o6U4v72y02UL+ryENYS6ME4 JuFyuxbqVVuDC6VGbdO1lbKvaS2Zvs57Gbu1MBx0agbdetwQBu8yyq0l SCYu3YzsWYlVUYJkPhDZUdITQ/O8AlMFsacObZ/yhDUMACopo2055REz cZGIkByVDkuxO8b2j9iWha/MByHj8Vk0s+lEbGIh/Cz+yBMHZKijmMYQ 7KXIz6rp/SiMK36lotWtFCkhFPajpm+aP/gXQTlgMHnMWcpyHjJPvP5/ iqd6q9Rfb5YTVcDjeTloE797zIuFy2FeHzNPUSUUTHcG8zGfinAR9i7h ZK5LNg==
;; Received 525 bytes from 8.8.8.8#53(8.8.8.8) in 98 ms

gov. 172800 IN NS a.gov-servers.net.
gov. 172800 IN NS b.gov-servers.net.
gov. 172800 IN NS c.gov-servers.net.
gov. 172800 IN NS d.gov-servers.net.
gov. 86400 IN DS 7698 8 2 6BC949E638442EAD0BDAF0935763C8D003760384FF15EBBD5CE86BB5 559561F0
gov. 86400 IN DS 7698 8 1 6F109B46A80CEA9613DC86D5A3E065520505AAFE
gov. 86400 IN RRSIG DS 8 1 86400 20180930050000 20180917040000 41656 . gt6jU5wjd9XK6OkA6eWGCFrGiYv9ZgjqmCwa1HNwFk/R/3skV4XPqXkc CgvpeuFaV4dMR2F1CLjQZOcwFTEmoOJK4UoIjvwaEui6VS7876VcuZhV c4DTuqA69n0hjw/BRm4PgvhZaUafi9ajv+fnT3HGpjbptmSGQH9YRZgh xl7p8mJW8yA4zzPRRTo3301G90qjV42tMkcl/s2OLNOSZy9alokvQLCo 9Bjoj1jflqpoMRkwj6JAXBlD3nnqNEJRQNItaMHki1ma8gCPqMlAXaUR rCm+YOI9qtOQlmGvOWwOe388h16NCVVBzo1NmHkVkBOYggvYR1KSMVkt 4j8k1w==
;; Received 666 bytes from 192.33.4.12#53(c.root-servers.net) in 361 ms

usa.gov. 86400 IN NS dns.gsa.gov.
usa.gov. 86400 IN NS dns2.gsa.gov.
usa.gov. 86400 IN NS dns3.gsa.gov.
usa.gov. 86400 IN NS dns4.gsa.gov.
usa.gov. 86400 IN NS dns5.gsa.gov.
usa.gov. 3600 IN DS 1481 8 1 AE16DC227BFFB2A007F44BC7D2544944E81687A0
usa.gov. 3600 IN DS 1481 8 2 94E48841DEECB0F1C48F889B89019920C740F234A3EB212D28461414 4C5AE27A
usa.gov. 3600 IN RRSIG DS 8 2 3600 20180924101007 20180917101007 10187 gov. Z8aWR/NjAXan1nGJ3FZZOYQ6aeCILVdGjeTJKQaYgQ3D3be9wy5qN0eY 1vzcEaxwL8MSbETovHRhFSXAjL+uS0zkU5toA9YNLM8TnCRTgv71CJul 7zhzAdLDvXgEddI3xXHgo7c0nFeJgrYGX2QYU4UnmvYx4+uDI2jQqewp KLY=
couldn't get address for 'dns.gsa.gov': failure
couldn't get address for 'dns2.gsa.gov': failure
couldn't get address for 'dns3.gsa.gov': failure
couldn't get address for 'dns4.gsa.gov': failure
couldn't get address for 'dns5.gsa.gov': failure
dig: couldn't get address for 'dns.gsa.gov': no more


很明显是 gsa.gov 的 DNS 获取不到导致的，倒不是国内封的，是对端在国内无响应