DNSWHOIS.INFO - 121.91.203.in-addr.arpa
Search for IP or hostnames:
121.91.203.in-addr.arpa checked at 2025-09-07T05:46:55.894Z 6359ms 50/50/50 100% R:19121.91.203.in-addr.arpa
| NS | dns2.edu.cn | ||||||
| A | 2001:da8:1:100::13 🇨🇳 China Next Generation Internet CERNET2 | ||||||
| PTR | dns2.edu.cn | ||||||
| A | 202.112.0.13🇨🇳 CERNET-CN | ||||||
| PTR | dns2.edu.cn | ||||||
| NS | dns.edu.cn | ||||||
| A | 2001:250:c006::35 🇨🇳 China Next Generation Internet CERNET2 | ||||||
| PTR | dns.edu.cn | ||||||
| A | 202.38.109.35🇨🇳 CNGI-BJ-IX2-AS-AP | ||||||
| PTR | dns.edu.cn | ||||||
91.203.in-addr.arpa
21.121.91.203.in-addr.arpa |
AI analysis
The parent of 21.121.91.203.in-addr.arpa is 121.91.203.in-addr.arpa.
Two name servers, dns2.edu.cn and dns.edu.cn, are delegated by 121.91.203.in-addr.arpa.
The name server setup of 121.91.203.in-addr.arpa is shared with other domains such as 60.137.103.in-addr.arpa, cernet.edu.cn, 109.38.202.in-addr.arpa, compass.edu.cn, and nic.edu.cn.
The domain 121.91.203.in-addr.arpa shares at least some of its name servers with other domains such as xing.li, 119.38.202.in-addr.arpa, 26.210.in-addr.arpa, thu.edu.cn, and 83.211.in-addr.arpa.
The name servers ns2.net.edu.cn, dns.tsinghua.edu.cn, ns.apnic.net, info.net.edu.cn, and dns2.tsinghua.edu.cn are frequently utilized in conjunction.
dns2.edu.cn and dns.edu.cn each point to two IP numbers: 2001:da8:1:100::13 and 202.112.0.13, and 2001:250:c006::35 and 202.38.109.35 respectively.