CF1763219058025-tsm20251109205412

NSLIST.NET - 4.21.176.in-addr.arpa

Search for IP or hostnames:

4.21.176.in-addr.arpa checked at 2025-11-15T15:04:18.009Z 253ms 44/44/44 100% R:13 allDone:true timedOut:false

4.21.176.in-addr.arpa

NSauth05.ns.tdc.net
A2001:6c8:2:400::168 🇩🇰 TDC
PTRauth05.ns.tdc.net
A62.243.0.168🇩🇰 TDC
PTRauth05.ns.tdc.net
NSauth06.ns.tdc.net
A2001:6c8:4:400::174 🇩🇰 TDC
PTRauth06.ns.tdc.net
A194.192.207.174🇩🇰 TDC
PTRauth06.ns.tdc.net

21.176.in-addr.arpa

NSauth01.ns.tele.dk
NSauth02.ns.tele.dk

Up

Starts with same word

Starts similarily

AI analysis

1.4.21.176.in-addr.arpa has 4.21.176.in-addr.arpa as its parent.

Two name servers auth05.ns.tdc.net and auth06.ns.tdc.net are delegated to 4.21.176.in-addr.arpa.

4.21.176.in-addr.arpa uses the same name server configuration as other domains, such as 131.165.80.in-addr.arpa, 143.76.128.in-addr.arpa, 183.196.80.in-addr.arpa, 17.109.2.in-addr.arpa and 44.56.87.in-addr.arpa.

Host names with two IPs:

auth05.ns.tdc.net points to 2001:6c8:2:400::168 and 62.243.0.168.

auth06.ns.tdc.net points to 2001:6c8:4:400::174 and 194.192.207.174.

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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