CF1761054031780-tsm20251017082432

WWW.RTSAK.COM - 164.21.4.in-addr.arpa

Search for IP or hostnames:

164.21.4.in-addr.arpa checked at 2025-10-21T13:40:31.762Z 95ms 45/45/45 100% R:11

164.21.4.in-addr.arpa

NSdnsauth1.sys.gtei.net
A4.2.49.2🇺🇸 Lumen AS3356
PTRdnsauth1.level3.net
NSdnsauth2.sys.gtei.net
A4.2.49.3🇺🇸 Lumen AS3356
PTRdnsauth2.level3.net
NSdnsauth3.sys.gtei.net
A4.2.49.4🇺🇸 Lumen AS3356
PTRdnsauth3.level3.net

21.4.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

164.21.4.in-addr.arpa is a parent of 61.164.21.4.in-addr.arpa, 6.164.21.4.in-addr.arpa and 60.164.21.4.in-addr.arpa.

The domain 164.21.4.in-addr.arpa is delegated to three name servers: dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.

164.21.4.in-addr.arpa shares name servers with other domains at least partially, for instance 35.84.209.in-addr.arpa, nmilink.com, 16.40.4.in-addr.arpa, 124.47.4.in-addr.arpa and 191.233.192.in-addr.arpa.

these name servers are commonly used together with hyperion.haystack.edu and planck.haystack.edu.

Host names with a single IP number:

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

kpxDCqs CF johedugfp 2025-10-21