CF1761708234092-tsm20251027103946

MXLIST.NET - 202.21.4.in-addr.arpa

Search for IP or hostnames:

202.21.4.in-addr.arpa checked at 2025-10-29T03:23:54.075Z 121ms 42/42/42 100% R:12

202.21.4.in-addr.arpa

NSdnsauth1.sys.gtei.net
A4.2.49.2🇺🇸 LEVEL3
PTRdnsauth1.level3.net
NSdnsauth2.sys.gtei.net
A4.2.49.3🇺🇸 LEVEL3
PTRdnsauth2.level3.net
NSdnsauth3.sys.gtei.net
A4.2.49.4🇺🇸 LEVEL3
PTRdnsauth3.level3.net

21.4.in-addr.arpa

NSdnsauth1.sys.gtei.net
NSdnsauth2.sys.gtei.net
NSdnsauth3.sys.gtei.net

Starts with same word

Starts similarily

AI analysis

202.21.4.in-addr.arpa is delegated to three name servers: dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.

202.21.4.in-addr.arpa at least partially shares name servers with other domains, including 163.40.4.in-addr.arpa, haystack.edu, nsalab.gtei.net, 61.4.in-addr.arpa and 96.61.4.in-addr.arpa.

These name servers are often used with hyperion.haystack.edu and planck.haystack.edu.

Host names with a single IP:

dnsauth1.sys.gtei.net points to 4.2.49.2; dnsauth2.sys.gtei.net points to 4.2.49.3; dnsauth3.sys.gtei.net points to 4.2.49.4.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

dTwvIBE CF johedugfp 2025-10-29