CF1762619339653-tsm20251105200708

DNSWHOIS.INFO - 121.74.68.in-addr.arpa

Search for IP or hostnames:

121.74.68.in-addr.arpa checked at 2025-11-08T16:28:59.632Z 159ms 59/59/59 100% R:12

121.74.68.in-addr.arpa

NSns1.ameritech.net
A206.141.251.2🇺🇸 AS7018
NSns2.ameritech.net
A151.164.11.218🇺🇸 AS7018
PTRns2.swbell.net
NScbru.br.ns.els-gms.att.net
A2001:1890:1ff:9f0:68:94:156:132 🇺🇸 AS7018
PTRcbru.br.ns.els-gms.att.net
A68.94.156.132🇺🇸 AS7018
PTRcbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
A2001:1890:1ff:9f1:99:99:99:132 🇺🇸 AS7018
PTRcmtu.mt.ns.els-gms.att.net
A99.99.99.132🇺🇸 AS7018
PTRcmtu.mt.ns.els-gms.att.net

74.68.in-addr.arpa

NSns1.ameritech.net
NSns2.ameritech.net
NScbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net

Up

Starts with same word

Starts similarily

AI analysis

The parent of 137.121.74.68.in-addr.arpa is 121.74.68.in-addr.arpa.

121.74.68.in-addr.arpa's delegation is handled by four name servers: ns1.ameritech.net, ns2.ameritech.net, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.

121.74.68.in-addr.arpa partially shares name servers with other domains; examples include papajohnsonline.net, sblarchitects.com, 177.12.in-addr.arpa, aerius.cz and 195.204.12.in-addr.arpa.

These name servers are commonly used alongside ns9.customer.level3.net, ns6.customer.level3.net, dmtu.mt.ns.els-gms.att.net, dbru.br.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, auth1.dns.cogentco.com, auth2.dns.cogentco.com, dnsmgr3.level3.net and ns19.customer.level3.net.

Host names with two IP numbers:

cbru.br.ns.els-gms.att.net points to: 2001:1890:1ff:9f0:68:94:156:132 and 68.94.156.132.

cmtu.mt.ns.els-gms.att.net points to: 2001:1890:1ff:9f1:99:99:99:132 and 99.99.99.132.

Host names with one IP number:

ns1.ameritech.net points to: 206.141.251.2.

ns2.ameritech.net points to: 151.164.11.218.

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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