CF1763805638737-tsm20251122095738

MXLIST.NET - 21.113.91.in-addr.arpa

Search for IP or hostnames:

21.113.91.in-addr.arpa checked at 2025-11-22T10:00:38.684Z 478ms 50/50/50 100% R:10 allDone:true timedOut:false

21.113.91.in-addr.arpa

NSdns4.a1.net
A2001:850:3030:31:80:120:17:50 🇦🇹 A1 Telekom Austria AG
PTRdns4.a1.net
A80.120.17.50🇦🇹 A1 Telekom Austria AG
PTRdns4.a1.net
NSdns5.a1.net
A2001:850:3010:101:213:33:99:90 🇦🇹 A1 Telekom Austria AG
PTRdns5.a1.net
A213.33.99.90🇦🇹 A1 Telekom Austria AG
PTRdns5.a1.net

113.91.in-addr.arpa

NSdns4.a1.net
NSdns5.a1.net

Up

Starts with same word

Starts similarily

AI analysis

21.113.91.in-addr.arpa is a parent of 72.21.113.91.in-addr.arpa and 1.21.113.91.in-addr.arpa.

Two name servers dns4.a1.net and dns5.a1.net handle delegation for 21.113.91.in-addr.arpa.

21.113.91.in-addr.arpa uses the same name server setup as other domains, for example 153.111.93.in-addr.arpa, 0.206.46.in-addr.arpa, 197.83.193.in-addr.arpa, 161.111.93.in-addr.arpa and 81.111.93.in-addr.arpa.

21.113.91.in-addr.arpa partially shares name servers with other domains, such as handy-signatur.at and eabo.at.

These name servers are often used with the name servers ns11.govix.at and ns5.univie.ac.at.

Host names with two IP numbers:

dns4.a1.net points to: 2001:850:3030:31:80:120:17:50 and 80.120.17.50

dns5.a1.net points to: 2001:850:3010:101:213:33:99:90 and 213.33.99.90

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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