CF1760526615278-tsm20251015074336

IPLIST.NET - 21.237.81.in-addr.arpa

Search for IP or hostnames:

21.237.81.in-addr.arpa checked at 2025-10-15T11:10:15.263Z 183ms 47/47/47 100% R:13

21.237.81.in-addr.arpa

NSdns1.telia.com
A2001:2040:c001:101::5 🇸🇪 Telia Sweden
PTRdns1.telia.com
A81.228.11.67🇸🇪 Telia Sweden
PTRdns1.telia.com
NSdns2.telia.com
A2001:2040:c001:401::6 🇸🇪 Telia Sweden
PTRdns2.telia.com
A81.228.10.67🇸🇪 Telia Sweden
PTRdns2.telia.com

237.81.in-addr.arpa

NSdns1.telia.com
NSdns2.telia.com
NSdns49.de.telia.net

Starts with same word

Starts similarily

AI analysis

21.237.81.in-addr.arpa is delegated to two name servers: dns1.telia.com and dns2.telia.com.

21.237.81.in-addr.arpa shares the same name server setup as other domains, for example 8.198.195.in-addr.arpa, 27.17.194.in-addr.arpa, 203.17.194.in-addr.arpa, 224.16.194.in-addr.arpa and 174.65.213.in-addr.arpa.

21.237.81.in-addr.arpa at least partially shares name servers with other domains, for instance 250.235.85.in-addr.arpa, teliacompany.com, 232.43.92.in-addr.arpa, public.telia.dk and ingor.dk.

These name servers are commonly used with dns49.de.telia.net, dns101.telia.com, dns102.telia.com and dns358.fi.telia.net.

Host names with two IP numbers:

dns1.telia.com points to 2001:2040:c001:101::5 and 81.228.11.67

dns2.telia.com points to 2001:2040:c001:401::6 and 81.228.10.67

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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