深圳电信访问百度，时不时抽筋。

[pymumu]

深圳电信这两天百度所有网站会时不时抽筋。
时延超大，还有超时的情况，大家有这样的吗？

MacBook-Air:~ book$ ping www.baidu.com
PING www.a.shifen.com (61.135.169.125): 56 data bytes
64 bytes from 61.135.169.125: icmp_seq=0 ttl=53 time=99.235 ms
Request timeout for icmp_seq 1
64 bytes from 61.135.169.125: icmp_seq=2 ttl=53 time=100.019 ms
64 bytes from 61.135.169.125: icmp_seq=3 ttl=53 time=99.741 ms
64 bytes from 61.135.169.125: icmp_seq=4 ttl=53 time=99.583 ms

--- www.a.shifen.com ping statistics ---
5 packets transmitted, 4 packets received, 20.0% packet loss
round-trip min/avg/max/stddev = 99.235/99.644/100.019/0.283 ms

[Cipool]

DNS 的问题，这个 ip 是北京联通的线路，跨运营商互联一直不稳定

[jack0o]

是的，卡得要命，不知道是哪里出问题了

[pymumu]

@Cipool
DNS 用的腾讯的（ 119.29.29.29 ）又试了一下，百度 IP 一直在变， 到 114 查 DNS，ping 了一下时延好些，但还是有超时。
之前 ping 时延都是 10ms 左右的。

MacBook-Air:~ book$ nslookup www.baidu.com 114.114.114.114
Server: 114.114.114.114
Address: 114.114.114.114#53

Non-authoritative answer:
www.baidu.com canonical name = www.a.shifen.com.
Name: www.a.shifen.com
Address: 58.217.200.112
Name: www.a.shifen.com
Address: 58.217.200.113

MacBook-Air:~ book$ ping 58.217.200.112
PING 58.217.200.112 (58.217.200.112): 56 data bytes
Request timeout for icmp_seq 0
64 bytes from 58.217.200.112: icmp_seq=1 ttl=55 time=36.024 ms
Request timeout for icmp_seq 2
64 bytes from 58.217.200.112: icmp_seq=3 ttl=55 time=36.631 ms
64 bytes from 58.217.200.112: icmp_seq=4 ttl=55 time=35.778 ms
64 bytes from 58.217.200.112: icmp_seq=5 ttl=55 time=37.055 ms

--- 58.217.200.112 ping statistics ---
6 packets transmitted, 4 packets received, 33.3% packet loss
round-trip min/avg/max/stddev = 35.778/36.372/37.055/0.502 ms

[tomhuang]

同深圳电信，打电话投诉劫持后用深圳电信自己的 dns
刚刚测试 www.baidu.com 这个域名
来自 14.215.177.39 回应
稳定在 10ms 以内，不丢包