CF1757279646782-tsm20250907181809

DNSWHOIS.INFO - proofpoint.us

Search for IP or hostnames:

proofpoint.us checked at 2025-09-07T21:14:06.757Z 220ms 87/87/87 100% R:10

proofpoint.us

NSpdns99.ultradns.biz
A2610:a1:1015::87 🇺🇸 Neustar
PTRpdns99.ultradns.biz
A156.154.66.99🇺🇸 Neustar
PTRpdns99.ultradns.biz
NSpdns99.ultradns.com
A2001:502:f3ff::87 🇺🇸 Neustar
PTRpdns99.ultradns.com
A156.154.64.99🇺🇸 Neustar
PTRpdns99.ultradns.com
NSpdns99.ultradns.net
A2610:a1:1014::87 🇺🇸 Neustar
PTRpdns99.ultradns.net
A156.154.65.99🇺🇸 Neustar
PTRpdns99.ultradns.net
NSpdns99.ultradns.org
A2001:502:4612::87 🇺🇸 Neustar
PTRpdns99.ultradns.org
A156.154.67.99🇺🇸 Neustar
PTRpdns99.ultradns.org
NSns1.proofpoint.us
A2620:100:9000:1::d0 🇺🇸 Proofpoint
PTRns1.proofpoint.com
A208.84.67.208🇺🇸 Proofpoint
PTRns1-at1.proofpoint.com
PTRns1.proofpoint.com
PTRns5.proofpoint.com
NSns3.proofpoint.us
A2620:100:9004:1::d0 🇺🇸 Proofpoint
PTRns3.proofpoint.com
A208.84.66.208🇺🇸 Proofpoint
PTRns1-sc4.proofpoint.com
PTRns2.proofpoint.com
PTRns3.proofpoint.com
PTRns4.proofpoint.com

us

NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us

AI analysis

The parent of ns1.proofpoint.us, ns-fra.proofpoint.us, ns-sc4.proofpoint.us, ns3.proofpoint.us, ns-ams.proofpoint.us, and a few other host names is proofpoint.us.

The six name servers, pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org, ns1.proofpoint.us, and ns3.proofpoint.us, are delegated to proofpoint.us.

The name servers of proofpoint.us are at least partially shared with other domains such as buyproofpoint.com, myguardianai.com, 169.220.205.in-addr.arpa, ppsqa.net, and proofpoint.nl.

The name servers ns1.proofpoint.com and ns3.proofpoint.com are frequently utilized in conjunction with these name servers.

pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org, ns1.proofpoint.us, and ns3.proofpoint.us point to two IP numbers each: 2610:a1:1015::87, 156.154.66.99, 2001:502:f3ff::87, 156.154.64.99, 2610:a1:1014::87, 156.154.65.99, 2001:502:4612::87, 156.154.67.99, 2620:100:9000:1::d0, 208.84.67.208, 2620:100:9004:1::d0, and 208.84.66.208 respectively.

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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Lcunitv CF johedugfp 2025-09-07