DNSWHOIS.INFO - 221.219.in-addr.arpa
Search for IP or hostnames:
221.219.in-addr.arpa checked at 2025-10-26T10:30:26.533Z 1120ms 63/63/63 100% R:28221.219.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🇨🇳 ERX-CERNET-BKB | ||||||
| A | 101.4.126.235🇨🇳 ERX-CERNET-BKB | ||||||
| A | 166.111.8.30🇨🇳 ERX-CERNET-BKB | ||||||
| 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🇨🇳 ERX-CERNET-BKB | ||||||
| A | 101.4.126.179🇨🇳 ERX-CERNET-BKB | ||||||
| A | 103.137.60.203🇨🇳 ERX-CERNET-BKB | ||||||
| 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.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 |
Starts similarily
AI analysis
221.219.in-addr.arpa is delegated to two name servers: dns5.edu.cn and dns6.edu.cn.
221.219.in-addr.arpa uses the same name server setup as other domains, including 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 at least partially shares name servers with other domains; 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 often used together with ns2.cernet.net, dns2.tsinghua.edu.cn and dns.tsinghua.edu.cn.
Host names with four IPs
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