CF1760602366738-tsm20251016065942

DNSWHOIS.INFO - 21.76.128.in-addr.arpa

Search for IP or hostnames:

21.76.128.in-addr.arpa checked at 2025-10-16T08:12:46.720Z 131ms 41/41/41 100% R:10

21.76.128.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

76.128.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

Delegation for 21.76.128.in-addr.arpa rests with two name servers, auth05.ns.tdc.net and auth06.ns.tdc.net.

21.76.128.in-addr.arpa shares the same name server setup as other domains, including 34.63.80.in-addr.arpa, 208.63.80.in-addr.arpa, 232.167.93.in-addr.arpa, 85.215.195.in-addr.arpa and 186.165.80.in-addr.arpa.

Host names with two IP numbers: 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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rvHwJyW CF johedugfp 2025-10-16