IPLIST.NET - 221.219.in-addr.arpa
Search for IP or hostnames:
221.219.in-addr.arpa checked at 2025-10-17T20:44:22.263Z 1551ms 63/63/63 100% R:13
221.219.in-addr.arpa
NS | dns5.edu.cn | ||||||
A | 2402:f000:1:801::8:30 🇨🇳 Tsinghua University | ||||||
PTR | ns5.cernet.net | ||||||
PTR | dns.tsinghua.edu.cn | ||||||
A | 101.4.126.67🇨🇳 CERNET-CN | ||||||
A | 101.4.126.235🇨🇳 CERNET-CN | ||||||
A | 166.111.8.30🇨🇳 CERNET-CN | ||||||
PTR | dns.tsinghua.edu.cn | ||||||
NS | dns6.edu.cn | ||||||
A | 2001:dd9::203 🇨🇳 CRIS-CERNET-AS | ||||||
PTR | ns2.cernet.net | ||||||
A | 101.4.126.27🇨🇳 CERNET-CN | ||||||
A | 101.4.126.179🇨🇳 CERNET-CN | ||||||
A | 103.137.60.203🇨🇳 CERNET-CN | ||||||
PTR | ns2.cernet.net |
219.in-addr.arpa
NS | ns1.apnic.net | ||||||
NS | ns2.apnic.net | ||||||
NS | rirns.arin.net | ||||||
NS | ns3.lacnic.net | ||||||
NS | apnic.authdns.ripe.net |
Starts with same word
221.it |
221.life |
221.com.ua |
221.us |
221.one |
221.net |
221.es |
221.co |
221.de |
221.in-addr.arpa |
221.tel |
221.com |
221.ru |
221.la |
221.org |
221.co.uk |
221.money |
221.cz |
221.cn |
Starts similarily
AI analysis
221.219.in-addr.arpa
's delegation is to two name servers dns5.edu.cn
and dns6.edu.cn
.
221.219.in-addr.arpa
shares the same name server configuration as other domains, such as 73.59.in-addr.arpa
, 197.222.in-addr.arpa
, 64.110.in-addr.arpa
, 193.121.in-addr.arpa
and 245.219.in-addr.arpa
.
221.219.in-addr.arpa
shares name servers with other domains at least partially, for instance 8.a.d.0.1.0.0.2.ip6.arpa
, 0.5.2.0.1.0.0.2.ip6.arpa
and 111.166.in-addr.arpa
.
These name servers are commonly used with ns2.cernet.net
, dns2.tsinghua.edu.cn
and dns.tsinghua.edu.cn
.
Host names with four IP numbers:
dns5.edu.cn
points to 2402:f000:1:801::8:30, 101.4.126.67, 101.4.126.235 and 166.111.8.30.
dns6.edu.cn
points to 2001:dd9::203, 101.4.126.27, 101.4.126.179 and 103.137.60.203.