CF1763352831078-tsm20251116095642

DNSWHOIS.INFO - 21.121.50.in-addr.arpa

Search for IP or hostnames:

21.121.50.in-addr.arpa checked at 2025-11-17T04:13:51.041Z 5035ms 54/57/57 95% R:18 allDone:false timedOut:true

21.121.50.in-addr.arpa

NSauth.frontiernet.net
A2001:1960::20 🇺🇸 ASN-ELIX
PTRauth.frontiernet.net
A74.40.74.20🇺🇸 ASN-ELIX
PTRpeach.epix.net
NSauth.roch.ny.frontiernet.net
A2001:1960:20::303 🇺🇸 ASN-ELIX
PTRauth.roch.ny.frontiernet.net
A66.133.170.3🇺🇸 AS7011
PTRauth.roch.ny.frontiernet.net
NSauth.asbn.va.frontiernet.net
A2001:1960:20:2030:400::179 🇺🇸 ASN-ELIX
PTRauth.asbn.va.frontiernet.net
A74.46.42.179🇺🇸 ASN-ELIX
PTRauth.asbn.va.frontiernet.net

121.50.in-addr.arpa

NSauth.frontiernet.net
NSauth.roch.ny.frontiernet.net
NSauth.asbn.va.frontiernet.net

Up

Starts with same word

Starts similarily

AI analysis

The parent of 109.21.121.50.in-addr.arpa is 21.121.50.in-addr.arpa.

21.121.50.in-addr.arpa is delegated to three name servers auth.frontiernet.net, auth.roch.ny.frontiernet.net and auth.asbn.va.frontiernet.net.

21.121.50.in-addr.arpa at least partially shares name servers with other domains, for instance 82.73.65.in-addr.arpa, 108.120.50.in-addr.arpa, 51.216.32.in-addr.arpa, 77.206.47.in-addr.arpa and 23.190.47.in-addr.arpa.

These name servers are commonly used with auth.lkvl.mn.frontiernet.net and auth.dlls.pa.frontiernet.net.

Host names with two IP numbers:

auth.frontiernet.net points to 2001:1960::20 and 74.40.74.20; auth.roch.ny.frontiernet.net points to 2001:1960:20::303 and 66.133.170.3; auth.asbn.va.frontiernet.net points to 2001:1960:20:2030:400::179 and 74.46.42.179.

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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