CF1760331157737-tsm20251012143351

MXLIST.NET - opt.cn

Search for IP or hostnames:

opt.cn checked at 2025-10-13T04:52:37.713Z 509ms 58/58/58 100% R:15

opt.cn

MXmx.cstnet.cn
A159.226.251.12🇨🇳 CSTNET-AS-AP
PTRmx.cstnet.cn
NSns3.cstnet.cn
A159.226.18.13🇨🇳 CSTNET-AS-AP
NSns4.cstnet.cn
A159.226.18.14🇨🇳 CSTNET-AS-AP

cn

NSa.dns.cn
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net

Starts with same word

Starts similarily

AI analysis

opt.cn is delegated to two name servers ns3.cstnet.cn and ns4.cstnet.cn.

opt.cn shares the same name server setup as other domains, for instance cc.ac.cn, scib.ac.cn, dcloud.cn, ivpp.ac.cn and ipc.ac.cn.

opt.cn shares name servers with other domains at least partially, for example cashq.ac.cn and giscloud.cn.

These name servers are commonly used with ns1.cdns.cn, ns2.cdns.cn and ns3.cdns.cn.

Host names with one IP number:

ns3.cstnet.cn points to 159.226.18.13

ns4.cstnet.cn points to 159.226.18.14

opt.cn is handled by a single mail server, mx.cstnet.cn.

opt.cn shares the same mail server setup as other domains, for instance whlib.ac.cn, clas.ac.cn, mail.pmo.ac.cn, csu.ac.cn and codata.cn.

opt.cn shares at least partially some mail servers with other domains, including zknic.cn, ihb.ac.cn and xtbg.ac.cn.

mx.cstnet.cn resolves to IP 159.226.251.12.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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tIBqHqt CF johedugfp 2025-10-13