CF1760362555304-tsm20251012143351

MXLIST.NET - 81.0.173.in-addr.arpa

Search for IP or hostnames:

81.0.173.in-addr.arpa checked at 2025-10-13T13:35:55.269Z 1721ms 95/95/95 100% R:27

81.0.173.in-addr.arpa

MXmx1.paypalcorp.com
A173.224.165.17🇺🇸 PAYPAL-CORP
PTRmx1.paypalcorp.com
MXmx2.paypalcorp.com
A173.224.161.141🇺🇸 PAYPAL-CORP
PTRmx2.paypalcorp.com
NSpdns100.ultradns.com
A2001:502:f3ff::88 🇺🇸 Neustar
PTRpdns100.ultradns.com
A156.154.64.100🇺🇸 Neustar
PTRpdns100.ultradns.com
NSpdns100.ultradns.net
A2610:a1:1014::88 🇺🇸 Neustar
PTRpdns100.ultradns.net
A156.154.65.100🇺🇸 Neustar
PTRpdns100.ultradns.net
NSns1.p57.dynect.net
A2600:2000:2210::57 🇺🇸 Oracle Cloud Infrastructure
PTRns1.p57.dynect.net
A108.59.161.57🇺🇸 Oracle Cloud Infrastructure
PTRns1.p57.dynect.net
NSns2.p57.dynect.net
A2600:2000:2220::57 🇺🇸 Oracle Cloud Infrastructure
PTRns2.p57.dynect.net
A108.59.162.57🇺🇸 Oracle Cloud Infrastructure
PTRns2.p57.dynect.net

0.173.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

81.0.173.in-addr.arpa is a parent of 65.81.0.173.in-addr.arpa, 4.81.0.173.in-addr.arpa, 33.81.0.173.in-addr.arpa, 140.81.0.173.in-addr.arpa and 1.81.0.173.in-addr.arpa.

81.0.173.in-addr.arpa is delegated to four name servers: pdns100.ultradns.com, pdns100.ultradns.net, ns1.p57.dynect.net and ns2.p57.dynect.net.

81.0.173.in-addr.arpa at least partially shares name servers with other domains, for instance mcgraw-hill.info, ashlandes.com, paypal.ch, 82.0.173.in-addr.arpa and paypal-mobilemoney.com.

These name servers are commonly used alongside pdns100.ultradns.biz, pdns100.ultradns.org, ns1.p68.dns.oraclecloud.net and ns2.p68.dns.oraclecloud.net.

Host names with two IP numbers:

pdns100.ultradns.com points to: 2001:502:f3ff::88 and 156.154.64.100.

pdns100.ultradns.net points to: 2610:a1:1014::88 and 156.154.65.100.

ns1.p57.dynect.net points to: 2600:2000:2210::57 and 108.59.161.57.

ns2.p57.dynect.net points to: 2600:2000:2220::57 and 108.59.162.57.

81.0.173.in-addr.arpa is handled by two mail servers: mx1.paypalcorp.com and mx2.paypalcorp.com.

81.0.173.in-addr.arpa uses the same mail server configuration as other domains, such as paypal-survey.com, paypal.pl, paypalcorp.com, paypal-partners.com and paypal-collect-money.com.

81.0.173.in-addr.arpa shares mail servers with other domains at least in part, for instance swiftfinancial.com, getbraintree.com, paypal.mobi, pp-c3.com and py.pl.

These mail servers are often used together with the mail servers aspmx.l.google.com.

Host names with one IP number: mx1.paypalcorp.com points to 173.224.165.17; mx2.paypalcorp.com points to 173.224.161.141.

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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