CF1761628474356-tsm20251027103946

DNSWHOIS.INFO - 121.147.in-addr.arpa

Search for IP or hostnames:

121.147.in-addr.arpa checked at 2025-10-28T05:14:34.298Z 137ms 42/42/42 100% R:10

121.147.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

147.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Starts with same word

Starts similarily

AI analysis

121.147.in-addr.arpa delegates to three name servers: dnsauth1.sys.gtei.net, dnsauth2.sys.gtei.net and dnsauth3.sys.gtei.net.

121.147.in-addr.arpa shares some name servers with other domains, for example 85.65.4.in-addr.arpa, ci.sunnyvale.ca.us, 41.4.in-addr.arpa, 3.93.199.in-addr.arpa and 64.180.205.in-addr.arpa.

These name servers are often used together with cyber2.gtenoc.com, dnsauth1.level3.net and dnsauth2.level3.net.

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

DYeLhju CF johedugfp 2025-10-28