CF1759713081401-tsm20251005211530

NSLIST.NET - 221.12.in-addr.arpa

Search for IP or hostnames:

221.12.in-addr.arpa checked at 2025-10-06T01:11:21.378Z 146ms 67/67/67 100% R:12

221.12.in-addr.arpa

NScbru.br.ns.els-gms.att.net
A2001:1890:1ff:9f0:68:94:156:132 🇺🇸 AT&T US - 7018
PTRcbru.br.ns.els-gms.att.net
A68.94.156.132🇺🇸 AT&T US - 7018
PTRcbru.br.ns.els-gms.att.net
NSdbru.br.ns.els-gms.att.net
A2001:1890:1ff:9f0:68:94:156:134 🇺🇸 AT&T US - 7018
PTRdbru.br.ns.els-gms.att.net
A68.94.156.134🇺🇸 AT&T US - 7018
PTRdbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
A2001:1890:1ff:9f1:99:99:99:132 🇺🇸 AT&T US - 7018
PTRcmtu.mt.ns.els-gms.att.net
A99.99.99.132🇺🇸 AT&T US - 7018
PTRcmtu.mt.ns.els-gms.att.net
NSdmtu.mt.ns.els-gms.att.net
A2001:1890:1ff:9f1:99:99:99:134 🇺🇸 AT&T US - 7018
PTRdmtu.mt.ns.els-gms.att.net
A99.99.99.134🇺🇸 AT&T US - 7018
PTRdmtu.mt.ns.els-gms.att.net

12.in-addr.arpa

NScbru.br.ns.els-gms.att.net
NSdbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
NSdmtu.mt.ns.els-gms.att.net

Up

Starts with same word

Starts similarily

AI analysis

221.12.in-addr.arpa is a parent of 136.221.12.in-addr.arpa, 138.221.12.in-addr.arpa, 139.221.12.in-addr.arpa, 96.221.12.in-addr.arpa, 12.221.12.in-addr.arpa and a few other host names.

221.12.in-addr.arpa's delegation is handled by four name servers: cbru.br.ns.els-gms.att.net, dbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.

221.12.in-addr.arpa partially shares name servers with other domains; examples include lambert-stl.org, lronhubbard.com, bentonville.arkansas.gov, tarrantcountytx.gov and 141.207.in-addr.arpa.

These name servers are commonly used alongside ns9.customer.level3.net, ns6.customer.level3.net, auth1.dns.cogentco.com, auth2.dns.cogentco.com, nsa.ups.com, nsb.ups.com, dnsmgr3.level3.net, ns19.customer.level3.net, ns24.customer.level3.net and eazshdcdnsextdns.cvshealth.com.

Host names with two IPs:

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

dbru.br.ns.els-gms.att.net points to 2001:1890:1ff:9f0:68:94:156:134 and 68.94.156.134

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

dmtu.mt.ns.els-gms.att.net points to 2001:1890:1ff:9f1:99:99:99:134 and 99.99.99.134

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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VWvyjSG CF johedugfp 2025-10-06