CF1761464499593-tsm20251024211356

NSLIST.NET - 164.21.4.in-addr.arpa

Search for IP or hostnames:

164.21.4.in-addr.arpa checked at 2025-10-26T07:41:39.581Z 144ms 45/45/45 100% R:12

164.21.4.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

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.

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 partially shares name servers with other domains; examples include 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 often used with the name servers hyperion.haystack.edu and planck.haystack.edu.

Host names with one IP number:

Host dnsauth1.sys.gtei.net points to 4.2.49.2.

Host dnsauth2.sys.gtei.net points to 4.2.49.3.

Host 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.
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JlcRqqi CF johedugfp 2025-10-26