DNSWHOIS.INFO - 21.72.210.in-addr.arpa
Search for IP or hostnames:
21.72.210.in-addr.arpa checked at 2025-10-30T15:46:07.959Z 1586ms 42/42/42 100% R:1221.72.210.in-addr.arpa
| NS | ns1.china-online.com.cn | ||||||
| A | 210.72.21.251🇨🇳 CSTNET-AS-AP | ||||||
| PTR | ns1.china-online.com.cn | ||||||
| NS | ns1.china.org.cn | ||||||
| A | 202.130.245.13🇨🇳 CHINA169-BJ | ||||||
72.210.in-addr.arpa
| NS | a.in-addr.cn | ||||||
| NS | b.in-addr.cn | ||||||
| NS | c.in-addr.cn | ||||||
| NS | d.in-addr.cn | ||||||
| NS | e.in-addr.cn | ||||||
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Starts with same word
Starts similarily
AI analysis
21.72.210.in-addr.arpa is a parent of 207.21.72.210.in-addr.arpa and 251.21.72.210.in-addr.arpa.
Two name servers ns1.china-online.com.cn and ns1.china.org.cn handle delegation for 21.72.210.in-addr.arpa.
21.72.210.in-addr.arpa uses the same name server setup as other domains, for example peoplechina.com.cn, rmhb.com.cn, chinatoday.com.cn, china.cn and chinagate.cn.
21.72.210.in-addr.arpa partially shares name servers with other domains, such as cicg.org.cn and china-online.com.cn.
These name servers are often used with the name servers smtp.cipg.org.cn and ns3.china-online.com.cn.
Host names with one IP number: The host name ns1.china-online.com.cn points to 210.72.21.251 and the host name ns1.china.org.cn points to 202.130.245.13.