CF1761670531935-tsm20251027103946

NSLIST.NET - 217.21.72.in-addr.arpa

Search for IP or hostnames:

217.21.72.in-addr.arpa checked at 2025-10-28T16:55:31.927Z 481ms 61/61/61 100% R:15

217.21.72.in-addr.arpa

NSx1.amazonaws.com
A156.154.64.10🇺🇸 Neustar
PTRu1.amazonaws.com
NSx2.amazonaws.com
A156.154.65.10🇺🇸 Neustar
PTRu2.amazonaws.com
NSpdns1.ultradns.net
A2001:502:f3ff::1 🇺🇸 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 Neustar
PTRpdns1.ultradns.net
NSx3.amazonaws.org
A156.154.150.1🇺🇸 AS399161
PTRdns-01.ultradns2.com
NSx4.amazonaws.org
A204.74.120.1🇺🇸 AS399160
PTRdns-01.ultradns2.org

21.72.in-addr.arpa

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Starts with same word

Starts similarily

AI analysis

217.21.72.in-addr.arpa is a parent of 5.217.21.72.in-addr.arpa and 142.217.21.72.in-addr.arpa.

217.21.72.in-addr.arpa is delegated to five name servers: x1.amazonaws.com, x2.amazonaws.com, pdns1.ultradns.net, x3.amazonaws.org and x4.amazonaws.org.

217.21.72.in-addr.arpa at least partially shares name servers with other domains, for example honda.es, 236.182.216.in-addr.arpa, mail-makemytrip.com, expedia.com.ar and 54.24.78.in-addr.arpa.

These name servers are often used with pdns3.ultradns.org, pdns2.ultradns.net, pdns5.ultradns.info, pdns4.ultradns.org and pdns6.ultradns.co.uk.

Host names with two IP numbers:

pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1.

Host names with one IP number:

x1.amazonaws.com points to: 156.154.64.10.

x2.amazonaws.com points to: 156.154.65.10.

x3.amazonaws.org points to: 156.154.150.1.

x4.amazonaws.org points to: 204.74.120.1.

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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WWeBOCl CF johedugfp 2025-10-28