CF1759549735598-tsm20251003185623

IPLIST.NET - 21.165.80.in-addr.arpa

Search for IP or hostnames:

21.165.80.in-addr.arpa checked at 2025-10-04T03:48:55.585Z 645ms 41/41/41 100% R:16

21.165.80.in-addr.arpa

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

165.80.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

21.165.80.in-addr.arpa's delegation uses two name servers: auth05.ns.tdc.net and auth06.ns.tdc.net.

21.165.80.in-addr.arpa uses the same name server setup as other domains, such as 218.22.176.in-addr.arpa, 4.189.94.in-addr.arpa, 251.108.2.in-addr.arpa, 88.109.2.in-addr.arpa and 72.108.2.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.
dbq

IVTmGmA CF johedugfp 2025-10-04