CF1762479590300-tsm20251105200708

IPLIST.NET - 172.21.65.in-addr.arpa

Search for IP or hostnames:

172.21.65.in-addr.arpa checked at 2025-11-07T01:39:50.262Z 561ms 54/54/54 100% R:8

172.21.65.in-addr.arpa

NSns.second-ns.com
A2a01:4f8:0:a101::b:1 🇩🇪 Hetzner
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3 🇩🇪 NORIS-NETWORK
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK
PTRns3.second-ns.de
NSns1.your-server.de
A2a01:4f8:0:1::5ddc:1 🇩🇪 Hetzner
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner
PTRns1.your-server.de

21.65.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

172.21.65.in-addr.arpa is the parent of 98.172.21.65.in-addr.arpa, 73.172.21.65.in-addr.arpa, 170.172.21.65.in-addr.arpa, 74.172.21.65.in-addr.arpa, 75.172.21.65.in-addr.arpa and a few other host names.

The delegation for 172.21.65.in-addr.arpa is handled by three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

172.21.65.in-addr.arpa shares name servers with other domains at least partially, for example b.d.1.e.7.1.c.0.8.f.4.0.1.0.a.2.ip6.arpa, notar-schmidt.eu, 3.8.0.2.2.0.2.0.8.f.4.0.1.0.a.2.ip6.arpa, girokonto-ohne-schufa.net and augenarzt-lampertheim.de.

Host names with two IPs:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102

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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