[root@tidb ~]# nslookup csi-tidb-backup.oss-cn-shanghai.aliyuncs.com
Server: 10.206.32.5
Address: 10.206.32.5#53
Non-authoritative answer:
Name: csi-tidb-backup.oss-cn-shanghai.aliyuncs.com
Address: 106.14.228.174
[root@tidb ~]# telnet csi-tidb-backup.oss-cn-shanghai.aliyuncs.com 443
Trying 106.14.228.174…
Connected to csi-tidb-backup.oss-cn-shanghai.aliyuncs.com.
Escape character is ‘^]’.
[root@tidb ~]# curl -I https://csi-tidb-backup.oss-cn-shanghai.aliyuncs.com/backup-data/log-backup/backup.lock
curl: (35) TCP connection reset by peer
[root@tidb ~]# ping oss-cn-shanghai.aliyuncs.com
PING oss-cn-shanghai.aliyuncs.com (106.14.228.198) 56(84) bytes of data.
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=1 ttl=89 time=17.0 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=2 ttl=89 time=17.2 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=3 ttl=89 time=17.2 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=4 ttl=89 time=17.0 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=5 ttl=89 time=17.3 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=6 ttl=89 time=16.9 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=7 ttl=89 time=17.4 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=8 ttl=89 time=17.2 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=9 ttl=89 time=16.5 ms
64 bytes from 106.14.228.198 (106.14.228.198): icmp_seq=10 ttl=89 time=17.0 ms