MXLIST.NET - proofpoint.us

Search for IP or hostnames:

proofpoint.us checked at 2025-10-13T12:54:55.547Z 193ms 87/87/87 100% R:12

`proofpoint.us`

NS	`pdns99.ultradns.biz`
		A	2610:a1:1015::87 ^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.biz`
		A	156.154.66.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.biz`
NS	`pdns99.ultradns.com`
		A	2001:502:f3ff::87 ^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.com`
		A	156.154.64.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.com`
NS	`pdns99.ultradns.net`
		A	2610:a1:1014::87 ^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.net`
		A	156.154.65.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.net`
NS	`pdns99.ultradns.org`
		A	2001:502:4612::87 ^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.org`
		A	156.154.67.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.org`
NS	`ns1.proofpoint.us`
		A	2620:100:9000:1::d0 ^{🇺🇸 Proofpoint}
			PTR	`ns1.proofpoint.com`
		A	208.84.67.208^{🇺🇸 Proofpoint}
			PTR	`ns1-at1.proofpoint.com`
			PTR	`ns1.proofpoint.com`
			PTR	`ns5.proofpoint.com`
NS	`ns3.proofpoint.us`
		A	2620:100:9004:1::d0 ^{🇺🇸 Proofpoint}
			PTR	`ns3.proofpoint.com`
		A	208.84.66.208^{🇺🇸 Proofpoint}
			PTR	`ns1-sc4.proofpoint.com`
			PTR	`ns2.proofpoint.com`
			PTR	`ns3.proofpoint.com`
			PTR	`ns4.proofpoint.com`

`us`

	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`

Up

ns1.proofpoint.us

threatinsight.proofpoint.us

ns-fra.proofpoint.us

ns-sc4.proofpoint.us

ns3.proofpoint.us

ns-ams.proofpoint.us

ns-at1.proofpoint.us

Starts with same word

Starts similarily

AI analysis

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

proofpoint.us delegates to six name servers: pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org, ns1.proofpoint.us and ns3.proofpoint.us.

proofpoint.us shares name servers with other domains at least partially, for instance buyproofpoint.com, myguardianai.com, 169.220.205.in-addr.arpa, ppsqa.net and proofpoint.nl.

these name servers are commonly used together with ns1.proofpoint.com and ns3.proofpoint.com.

Host names with two IP numbers:

pdns99.ultradns.biz points to 2610:a1:1015::87 and 156.154.66.99.

pdns99.ultradns.com points to 2001:502:f3ff::87 and 156.154.64.99.

pdns99.ultradns.net points to 2610:a1:1014::87 and 156.154.65.99.

pdns99.ultradns.org points to 2001:502:4612::87 and 156.154.67.99.

ns1.proofpoint.us points to 2620:100:9000:1::d0 and 208.84.67.208.

ns3.proofpoint.us points to 2620:100:9004:1::d0 and 208.84.66.208.

dbq