DNSWHOIS.INFO - 21.87.in-addr.arpa
Search for IP or hostnames:
21.87.in-addr.arpa checked at 2025-11-16T15:34:21.896Z 168ms 39/39/39 100% R:14 allDone:true timedOut:false 21.87.in-addr.arpa
| NS | dnst3.interbusiness.it | ||||||
| A | 80.22.52.129🇮🇹 Telecom Italia S.p.a. | ||||||
| PTR | dnst3.interbusiness.it | ||||||
| NS | dnsti.interbusiness.it | ||||||
| A | 151.99.125.5🇮🇹 Telecom Italia S.p.a. | ||||||
87.in-addr.arpa
| NS | ns3.afrinic.net | ||||||
| NS | ns4.apnic.net | ||||||
| NS | rirns.arin.net | ||||||
| NS | ns3.lacnic.net | ||||||
| NS | pri.authdns.ripe.net | ||||||
Starts with same word
Starts similarily
AI analysis
Delegation for 21.87.in-addr.arpa rests with two name servers, dnst3.interbusiness.it and dnsti.interbusiness.it.
21.87.in-addr.arpa shares the same name server setup as other domains, including 40.25.79.in-addr.arpa, 137.25.79.in-addr.arpa, 62.88.in-addr.arpa, 158.36.79.in-addr.arpa and 105.82.in-addr.arpa.
21.87.in-addr.arpa at least partially shares name servers with other domains, for instance 189.113.81.in-addr.arpa, 225.27.79.in-addr.arpa, 143.115.81.in-addr.arpa, 165.27.79.in-addr.arpa and 125.81.in-addr.arpa.
These name servers are commonly used alongside dnsts.interbusiness.it, dns.opb.interbusiness.it, ns.telecomitalia.it and dns10.interbusiness.it.
Host names with one IP number: dnst3.interbusiness.it points to 80.22.52.129; dnsti.interbusiness.it points to 151.99.125.5.