DNSWHOIS.INFO - 21.143.in-addr.arpa
Search for IP or hostnames:
21.143.in-addr.arpa checked at 2025-10-31T03:39:58.026Z 1147ms 63/63/63 100% R:1121.143.in-addr.arpa
| NS | ns1.savvis.net | ||||||
| A | 209.16.211.42🇺🇸 SAVVIS-AS | ||||||
| PTR | ns1.savvis.net | ||||||
| NS | ns2.savvis.net | ||||||
| A | 204.194.10.206🇺🇸 SAVVIS-AS | ||||||
| PTR | ns2.savvis.net | ||||||
| NS | ns3.savvis.net | ||||||
| A | 209.83.162.35🇺🇸 SAVVIS-AS | ||||||
| PTR | ns3.savvis.net | ||||||
| NS | ns4.savvis.net | ||||||
| A | 204.70.49.234🇺🇸 SAVVIS-AS | ||||||
| PTR | ns4.savvis.net | ||||||
| NS | ns5.savvis.net | ||||||
| A | 204.71.116.25🇺🇸 SAVVIS-AS | ||||||
| PTR | ns5.savvis.net | ||||||
| NS | ns6.savvis.net | ||||||
| A | 212.124.226.230🇬🇧 SAVVIS-AS | ||||||
| PTR | ns6.savvis.net | ||||||
| NS | ns6a.savvis.net | ||||||
| A | 212.124.226.231🇬🇧 SAVVIS-AS | ||||||
| PTR | ns6a.savvis.net | ||||||
143.in-addr.arpa
| NS | r.arin.net | ||||||
| NS | u.arin.net | ||||||
| NS | x.arin.net | ||||||
| NS | y.arin.net | ||||||
| NS | z.arin.net | ||||||
| NS | arin.authdns.ripe.net | ||||||
Starts with same word
Starts similarily
AI analysis
21.143.in-addr.arpa is delegated to seven name servers: ns1.savvis.net, ns2.savvis.net, ns3.savvis.net, ns4.savvis.net, ns5.savvis.net, ns6.savvis.net and ns6a.savvis.net. 
21.143.in-addr.arpa shares name servers with other domains at least partially, for example 68.33.216.in-addr.arpa, 0.170.208.in-addr.arpa, 241.34.216.in-addr.arpa, 158.74.216.in-addr.arpa and 102.206.in-addr.arpa.
Host names with one IP number:
Host name ns1.savvis.net points to: 209.16.211.42
Host name ns2.savvis.net points to: 204.194.10.206
Host name ns3.savvis.net points to: 209.83.162.35
Host name ns4.savvis.net points to: 204.70.49.234
Host name ns5.savvis.net points to: 204.71.116.25
Host name ns6.savvis.net points to: 212.124.226.230
Host name ns6a.savvis.net points to: 212.124.226.231