CF1761142977942-tsm20251017082432

WWW.RTSAK.COM - 21.119.140.in-addr.arpa

Search for IP or hostnames:

21.119.140.in-addr.arpa checked at 2025-10-22T14:22:57.931Z 423ms 44/44/44 100% R:11

21.119.140.in-addr.arpa

NSdns2.nccu.edu.tw
A2001:288:2001::8c77:36e 🇹🇼 Taiwan Academic Network(TANet)
PTRvns1.nccu.edu.tw
A140.119.252.12🇹🇼 Taiwan Academic Network(TANet)
PTRdns2.nccu.edu.tw
NSsun2cc.nccu.edu.tw
A2001:288:2001::8c77:36e 🇹🇼 Taiwan Academic Network(TANet)
PTRvns1.nccu.edu.tw
A140.119.1.110🇹🇼 Taiwan Academic Network(TANet)
PTRsun2cc.nccu.edu.tw

119.140.in-addr.arpa

NSdns2.nccu.edu.tw
NSsun2cc.nccu.edu.tw

Starts with same word

Starts similarily

AI analysis

21.119.140.in-addr.arpa has two name servers: dns2.nccu.edu.tw and sun2cc.nccu.edu.tw.

21.119.140.in-addr.arpa shares the same name server setup as other domains, for example 253.119.140.in-addr.arpa, dorm7.nccu.edu.tw, fdorm1.nccu.edu.tw, 73.119.140.in-addr.arpa and fdorm3.nccu.edu.tw.

21.119.140.in-addr.arpa shares name servers with other domains to some extent, for example 74.119.140.in-addr.arpa and 96.119.140.in-addr.arpa.

Host names with two IPs

dns2.nccu.edu.tw points to 2001:288:2001::8c77:36e and 140.119.252.12

sun2cc.nccu.edu.tw points to 2001:288:2001::8c77:36e and 140.119.1.110

Names pointing to 2001:288:2001::8c77:36e: dns2.nccu.edu.tw and sun2cc.nccu.edu.tw

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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oHsSyUm CF johedugfp 2025-10-22