DNSWHOIS.INFO - is.ac.cn
Search for IP or hostnames:
is.ac.cn checked at 2025-09-06T02:46:15.367Z 518ms 60/60/60 100% R:18is.ac.cn
| MX | mx.cstnet.cn | ||||||
| A | 159.226.251.12🇨🇳 CSTNET-AS-AP | ||||||
| PTR | mx.cstnet.cn | ||||||
| NS | ns1.sfn.cn | ||||||
| A | 58.205.196.16🇨🇳 CERNET-CN | ||||||
| A | 111.63.77.29🇨🇳 Hebei Mobile Communication Company Limited | ||||||
| NS | ns2.sfn.cn | ||||||
| A | 101.37.119.99🇨🇳 Alibaba (China) | ||||||
| A | 111.63.77.30🇨🇳 Hebei Mobile Communication Company Limited | ||||||
ac.cn
| NS | a.dns.cn | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | cns.cernet.net | ||||||
AI analysis
Two name servers, ns1.sfn.cn and ns2.sfn.cn, have been delegated to is.ac.cn.
The name server setup of is.ac.cn is identical to that of other domains such as bidr.com.cn, risuninfo.com.cn, chinaotsuka.com.cn, tjbc.gov.cn, and terumo.cn.
ns1.sfn.cn and ns2.sfn.cn both point to two IP numbers each: 58.205.196.16, 111.63.77.29 for ns1.sfn.cn and 101.37.119.99, 111.63.77.30 for ns2.sfn.cn.
The mail server, mx.cstnet.cn, handles is.ac.cn.
Like other domains such as opt.cn, hf.cas.cn, mail.kib.ac.cn, sjziam.ac.cn, and iss.ac.cn, is.ac.cn also has the same mail server setup.
Domains such as zknic.cn, ihb.ac.cn, xtbg.ac.cn, cstnet.cn, and sia.cn share at least some mail servers partially with is.ac.cn.
159.226.251.12 is the IP number that mx.cstnet.cn points to.