proofpoint.com - robtex.com

proofpoint.com

DNSSEC⚠️ Not signed
A2a02:e980:e6::cf🇺🇸 IMPERVA2a02:e980:e6::/48
A2a02:e980:13e::cf🇺🇸 IMPERVA2a02:e980:13e::/48
A45.60.151.207🇺🇸 IMPERVA45.60.151.0/24 ORIXCOM via EMIX
A45.60.171.207🇺🇸 IMPERVA45.60.171.0/24 ORIXCOM via EMIX
NSns1.proofpoint.com ⭐
A2620:100:9000:1::d0🇺🇸 Proofpoint2620:100:9000::/47 Inc.
PTRns1.proofpoint.com
A208.84.67.208🇺🇸 Proofpoint208.84.67.0/24 Inc.
PTRns1-at1.proofpoint.com
PTRns1.proofpoint.com
PTRns5.proofpoint.com
NSns3.proofpoint.com
A2620:100:9004:1::d0🇺🇸 Proofpoint2620:100:9004::/47 Inc.
PTRns3.proofpoint.com
A208.84.66.208🇺🇸 Proofpoint208.84.66.0/24 Inc.
PTRns1-sc4.proofpoint.com
PTRns2.proofpoint.com
PTRns3.proofpoint.com
PTRns4.proofpoint.com
NSpdns99.ultradns.biz
A2610:a1:1015::87🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns99.ultradns.biz
A156.154.66.99🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns99.ultradns.biz
NSpdns99.ultradns.com
A2001:502:f3ff::87🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns99.ultradns.com
A156.154.64.99🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns99.ultradns.com
NSpdns99.ultradns.net
A2610:a1:1014::87🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns99.ultradns.net
A156.154.65.99🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns99.ultradns.net
NSpdns99.ultradns.org
A2001:502:4612::87🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns99.ultradns.org
A156.154.67.99🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns99.ultradns.org
MXmxa-00148501.gslb.pphosted.com ⭐
A2620:100:9001:b9::1🇺🇸 Proofpoint2620:100:9000::/47 Inc.
PTRmx0a-00148501.pphosted.com
A2620:100:9005:b9::1🇺🇸 Proofpoint2620:100:9004::/47 Inc.
PTRmx0b-00148501.pphosted.com
A67.231.144.185🇺🇸 Proofpoint67.231.144.0/24 Inc.
PTRmx0a-00148501.pphosted.com
MXmxb-00148501.gslb.pphosted.com ⭐
A2620:100:9001:b9::1🇺🇸 Proofpoint2620:100:9000::/47 Inc.
PTRmx0a-00148501.pphosted.com
A2620:100:9005:b9::1🇺🇸 Proofpoint2620:100:9004::/47 Inc.
PTRmx0b-00148501.pphosted.com
A67.231.152.185🇺🇸 Proofpoint67.231.152.0/24 Inc.
PTRmx0b-00148501.pphosted.com
MXmx0a-00148501.pphosted.com(15)
A2620:100:9001:b9::1🇺🇸 Proofpoint2620:100:9000::/47 Inc.
PTRmx0a-00148501.pphosted.com
A67.231.144.185🇺🇸 Proofpoint67.231.144.0/24 Inc.
PTRmx0a-00148501.pphosted.com
MXmx0b-00148501.pphosted.com(15)
A2620:100:9005:b9::1🇺🇸 Proofpoint2620:100:9004::/47 Inc.
PTRmx0b-00148501.pphosted.com
A67.231.152.185🇺🇸 Proofpoint67.231.152.0/24 Inc.
PTRmx0b-00148501.pphosted.com
TXT_github-challenge-proofpoint-2=b5790c8e0b
TXTdocusign=2c075292-2334-4a0a-bf3b-71a084c9d0fb
TXTgoogle-site-verification=sxZ-0Tdu9HaAjWzo8TkbC3Dcvbm9_TcCFaOUJhBGf1E
TXTgoogle-site-verification=8gLyzJZLKfsYAHDKstNMwKKI-IB8zB3LPVBe8wyo7fw
TXTatlassian-domain-verification=ehSV5ixRwTbI5wbth6qsMh3hGCusuawwQB3RtCdRGUyVC/h...
TXTflvpf3txfi5s6mfi6q4gzths63zkgyh6
TXT3138e5c5-9798-41bb-a66a-f0b02555197b
TXTanthropic-domain-verification-y3m137=qK0cxjmQtPkMGPQe9LKVeGZj2
TXTlfj1tq15csyc72w7bgdt23nv5sfdhbwv
TXTpendo-domain-verification=d131a0e2-664a-4230-ba51-0acf99fb4b90
TXTdocusign=024d71b2-0e97-4a12-b5d5-59f1398496df
TXTgoogle-site-verification=h87yGt3EWJfCkagvPwOKkK1h1LGCdoBROU_kKbrdXPk
TXTcursor-domain-verification-wqe15z=RzypHif5XX1tmT2h6yen8EF3t
TXTadobe-idp-site-verification=5bd692aa8ee1d148c00aac26f7ead08c64182725034dcf069...
TXTamazonses:q2hxXWvaOdgjhubWnZufuUhKgLZxfL3PoI4cptrU0gY=
TXTatlassian-sending-domain-verification=37b6750b-3b8f-46dc-b2fa-c576d7d1965c
TXTlinear-domain-verification=cxrv67j8mq6e
TXTapple-domain-verification=nOC9FciUgMGXDPqR
TXTBrG8ZlodJgGfUFj4RAmd28PHnIIHvBj56NGkzIIO3vwg0JUlTJISPsRo95V8+8QR0RY+aBIl21ch7...
TXTasv=9465dad26feb30e29b83613f5c02a1de
TXTzoom-domain-verification=ZOOM_verify_10035bd9568f4feca52a7a00fe69b79a
TXTglobalsign-domain-verification=60999847F58FB37C020BB434D74EF1A9
TXT7zjqogz6pipkgcunowrzlr2kk4zzbvui
TXTgoogle-site-verification=uWpkNlmQfQH0hCnGWrr7ZC-o3dx4Dgi--DSZL1wtBoQ
TXTopenai-domain-verification=dv-nIygpFUM4qrdLLDyQoKeI6q7
TXTdocker-verification=13460241-226e-4d29-97e7-4699d62bb596
TXTgoogle-site-verification=mM60vv41HV36Nx6G5NAk93Se7Z-Y1eWeetnizsR6zLA
TXTsmartsheet-site-validation=wDwCVDKaaE7jlmu8UfmZC7R_CVdVDt1n
TXTv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf...
TXTwebexdomainverification.=482d75bd-f93a-4b08-b9fd-f29cd4ac460f
TXTsl5htyxuslipmbdhyy7s5dpjweyuohqd
TXTMS=ms66915438
TXTfastly-domain-delegation-3yF86BWSvK5eKtB4-875817-2025-01-23
TXTjamf-site-verification=VBoaCJNLZhZnSeap1YIWPA
TXTgoogle-site-verification=VneCes71bA1smMZFJ8bue3Hjjr5PSH2Nw3vXuBFdSOk
TXT8g643mlg95390t9m27yhh8ccc3djh9kl
TXTamazonses:RlrTC7/Tv/cDEgJBOGnvF+fa+JgATSOhAby33zYuhWU=
TXTiJdvOvZ2JpKKuGmHz3m7jyiT9LcUpxjwXIqy0lreXX41M/DqvOyKHQQTBtOFMviSL7SN6As/3CMKH...
SOAns1.proofpoint.comops@proofpoint.com serial=2018114948

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778334696
rank #674 globally
rank #394 in the tld
This domain "proofpoint.com" belongs to Proofpoint Inc., an enterprise security company based in Sunnyvale, California. The company provides software as a service and products for inbound email security, outbound data loss prevention, social media, mobile devices, digital risk, email encryption, electronic discovery, and email archiving. It helps businesses protect their data and stop new threats quickly.🔒 HSTS Preload (+subdomains)
WOT: SAFE (78/100)
📈 Tranco rank: #2,179

Subdomains

cr-vrrp-101-at1.proofpoint.com
sjc71.proofpoint.com
sjc117.proofpoint.com
ravpn-test-at1.proofpoint.com
social.proofpoint.com
mx1.proofpoint.com
bugzilla01.proofpoint.com
pdrv2ns-at1.proofpoint.com
sjc125.proofpoint.com
sjc87.proofpoint.com
mx2.proofpoint.com
sjc119.proofpoint.com
prs-fra.proofpoint.com
prscollect-ut7.proofpoint.com
go.proofpoint.com
pdrv2ns-sc4.proofpoint.com
sjc76.proofpoint.com
itd.proofpoint.com
sjc115.proofpoint.com
cr001-ge-0-0-1-101-sc4.proofpoint.com
sa-at1.proofpoint.com
api-pentest.proofpoint.com
ntp5.proofpoint.com
bl.proofpoint.com
hks-eu-fra.proofpoint.com
attachmentdefense-at1.proofpoint.com
api-ut7.proofpoint.com
pdus-test-at1.proofpoint.com
sjc93.proofpoint.com
enduserauth.proofpoint.com
208-84-66-227.proofpoint.com
cr001-ge-2-0-2-sc4.proofpoint.com
gslb.proofpoint.com
outreach.proofpoint.com
englab-nat.proofpoint.com
securemail.proofpoint.com
cr4002.proofpoint.com
pdus-fra-external.proofpoint.com
update3.proofpoint.com
jh7001.proofpoint.com
mts-sc4-test.proofpoint.com
sjc106.proofpoint.com
sjc85.proofpoint.com
prscollect.proofpoint.com
ns-snv.proofpoint.com
sjc112.proofpoint.com
ravpn-onespan-sc4.proofpoint.com
pdus.proofpoint.com
assets.proofpoint.com
emaildefense.proofpoint.com
pdrv2ns-fra.proofpoint.com
update-ams-external.proofpoint.com
pphadm7004.proofpoint.com
ccs-sc4.proofpoint.com
sjc79.proofpoint.com
update-fra-external.proofpoint.com
zerohour2.proofpoint.com
pphadm8003.proofpoint.com
lb004-ge-11-12-at1.proofpoint.com
ns-sc4.proofpoint.com
ns1-at1.proofpoint.com
ns1-sc4.proofpoint.com
resource-download.proofpoint.com
pdus-test-sc4.proofpoint.com
continuity-us3.proofpoint.com
v6.proofpoint.com
social1.proofpoint.com
sa4001.proofpoint.com
sjc103.proofpoint.com
social2.proofpoint.com
essentials.proofpoint.com
vpn.proofpoint.com
208-84-66-228.proofpoint.com
ns4.proofpoint.com
prs-sc4.proofpoint.com
sjc89.proofpoint.com
esbilling.proofpoint.com
sjc69.proofpoint.com
prod-c15a-awsuse.proofpoint.com
share.proofpoint.com
prs-ams.proofpoint.com
208-84-67-21.proofpoint.com
lb002-ge-11-12-at1.proofpoint.com
sjc86.proofpoint.com
208-84-66-226.proofpoint.com
em.proofpoint.com
ns-fra.proofpoint.com
cr001-ge-0-0-1-100-at1.proofpoint.com
sjc104.proofpoint.com
sjc68.proofpoint.com
lb001-ge-11-12-sc4.proofpoint.com
cr002-ge-0-0-1-100-sc4.proofpoint.com
62-209-51-220.proofpoint.com
jh8001.proofpoint.com
prod-c15a-awseuc.proofpoint.com
fw8001.proofpoint.com
cr001-ge-0-0-0-105-at1.proofpoint.com
62-209-51-224.proofpoint.com
filereputation.proofpoint.com
fsecure.proofpoint.com
prscollect-sc4.proofpoint.com
cr002-ge-2-0-2-sc4.proofpoint.com
social3.proofpoint.com
pdus-ams.proofpoint.com
dl1-at1.proofpoint.com
cts1.proofpoint.com
arcdata.proofpoint.com
sjc66.proofpoint.com
cts3-api.proofpoint.com
cr002-ge-0-0-1-100-at1.proofpoint.com
cr-vrrp-101-sc4.proofpoint.com
admin1001.proofpoint.com
api-sc4.proofpoint.com
ntp-sc4.proofpoint.com
ns2-sc4.proofpoint.com
ns-ut7.proofpoint.com
prsns2.proofpoint.com
ravpn-at1.proofpoint.com
pdrv2ns-ams.proofpoint.com
fw001-ge-0-2-101-sc4.proofpoint.com
pages.proofpoint.com
connectpt2.proofpoint.com
ns-at1.proofpoint.com
prod-c15b-awsuse.proofpoint.com
socialsandbox.proofpoint.com
zerohour.proofpoint.com
208-84-66-225.proofpoint.com
pdus-at1.proofpoint.com
ntp2.proofpoint.com
support-cts.proofpoint.com

Same first word

proofpoint.nl
proofpoint.marketing
proofpoint.name
proofpoint.co.in
proofpoint.io
proofpoint.ru
proofpoint.it
proofpoint.de
proofpoint.support
proofpoint.ae
proofpoint.tech
proofpoint.email
proofpoint.network
proofpoint.pl
proofpoint.uk.com
proofpoint.agency
proofpoint.ai
proofpoint.com.mx
proofpoint.my
proofpoint.dm
proofpoint.au
proofpoint.works
proofpoint.com
proofpoint.com.mt
proofpoint.eu
proofpoint.com.pr
proofpoint.co.nz
proofpoint.jobs
proofpoint.fail
proofpoint.fr
proofpoint.help
proofpoint.com.br
proofpoint.cn.com
proofpoint.link
proofpoint.us
proofpoint.ca
proofpoint.guru
proofpoint.com.pt
proofpoint.im
proofpoint.security
proofpoint.engineering
proofpoint.es
proofpoint.asia
proofpoint.co.uk
proofpoint.info
proofpoint.com.hk
proofpoint.international
proofpoint.com.sg
proofpoint.social
proofpoint.systems
proofpoint.com.au
proofpoint.biz
proofpoint.lv
proofpoint.eu.com
proofpoint.sucks
proofpoint.com.ec
proofpoint.ie
proofpoint.lu
proofpoint.services
proofpoint.de.com
proofpoint.com.pe
proofpoint.cc
proofpoint.ec
proofpoint.co
proofpoint.co.jp
proofpoint.ar
proofpoint.hk
proofpoint.solutions
proofpoint.at
proofpoint.kr
proofpoint.cl
proofpoint.engineer
proofpoint.us.com
proofpoint.se
proofpoint.com.my
proofpoint.us.org
proofpoint.dk
proofpoint.mx
proofpoint.tv
proofpoint.app
proofpoint.in
proofpoint.org
proofpoint.jp
proofpoint.pt
proofpoint.no
proofpoint.com.es
proofpoint.uk
proofpoint.sg
proofpoint.mt
proofpoint.vn
proofpoint.com.co
proofpoint.ch
proofpoint.net
proofpoint.cn
proofpoint.co.il
proofpoint.technology
proofpoint.website
proofpoint.sx
proofpoint.software
proofpoint.com.ar
proofpoint.pro

Similar names

optinproof.com
pointproof.com
topinfopro.ru

DNS History

24 records (14 active, 10 former)

201020122014201620182020202220242026NSns1.proofpoint.comns3.proofpoint.compdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.netpdns99.ultradns.orginfoblox-sc4.ppops.netns2.proofpoint.comMXmx0a-00148501.pphosted.commx0b-00148501.pphosted.commxa-00148501.gslb.pphosted.commxb-00148501.gslb.pphosted.commx1.proofpoint.com.gslb.pphosted.commx2.proofpoint.commx2.proofpoint.com.gslb.pphosted.comA2a02:e980:13e::cf2a02:e980:e6::cf45.60.151.20745.60.171.207192.230.66.135192.230.74.135198.66.250.72a02:e980:11::872a02:e980:17::87
○NSinfoblox-sc4.ppops.net2021-07-24 → 2021-07-24 · 4 obs
○ 2021-06-19 02:17:30
● 2021-07-24 05:52:14
○ 2021-09-02 08:46:58
○ 2026-05-09 13:59:22
●NSns1.proofpoint.com2009-01-28 → 2026-05-09 · 5 obs
● 2009-01-28 03:17:06
● 2021-06-19 02:17:30
○ 2021-07-24 05:52:14
● 2021-09-02 08:46:58
● 2026-05-09 13:59:22
○NSns2.proofpoint.com2009-01-28 → 2009-01-28 · 3 obs
● 2009-01-28 03:17:06
○ 2015-07-22 20:35:02
○ 2026-05-09 13:59:22
●NSns3.proofpoint.com2009-01-28 → 2026-05-09 · 2 obs
● 2009-01-28 03:17:06
● 2026-05-09 13:59:22
●NSpdns99.ultradns.biz2015-10-31 → 2026-05-09 · 3 obs
○ 2015-07-22 20:35:02
● 2015-10-31 10:05:26
● 2026-05-09 13:59:22
●NSpdns99.ultradns.com2015-10-31 → 2026-05-09 · 3 obs
○ 2015-07-22 20:35:02
● 2015-10-31 10:05:26
● 2026-05-09 13:59:22
●NSpdns99.ultradns.net2015-10-31 → 2026-05-09 · 3 obs
○ 2015-07-22 20:35:02
● 2015-10-31 10:05:26
● 2026-05-09 13:59:22
●NSpdns99.ultradns.org2015-10-31 → 2026-05-09 · 3 obs
○ 2015-07-22 20:35:02
● 2015-10-31 10:05:26
● 2026-05-09 13:59:22
●MXmx0a-00148501.pphosted.com2015-07-22 → 2026-05-09 · 3 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2026-05-09 13:59:22
●MXmx0b-00148501.pphosted.com2015-07-22 → 2026-05-09 · 3 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2026-05-09 13:59:22
○MXmx1.proofpoint.com.gslb.pphosted.com2009-01-28 → 2009-01-28 · 3 obs
● 2009-01-28 03:17:06
○ 2015-07-22 20:35:02
○ 2026-05-09 13:59:22
○MXmx2.proofpoint.com2009-01-28 → 2018-11-16 · 4 obs
● 2009-01-28 03:17:06
● 2018-11-16 20:54:04
○ 2019-01-18 13:10:14
○ 2026-05-09 13:59:22
○MXmx2.proofpoint.com.gslb.pphosted.com2009-01-28 → 2009-01-28 · 3 obs
● 2009-01-28 03:17:06
○ 2015-07-22 20:35:02
○ 2026-05-09 13:59:22
●MXmxa-00148501.gslb.pphosted.com2015-07-22 → 2026-05-09 · 3 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2026-05-09 13:59:22
●MXmxb-00148501.gslb.pphosted.com2015-07-22 → 2026-05-09 · 3 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2026-05-09 13:59:22
○A192.230.66.1352015-07-22 → 2019-10-30 · 5 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2019-10-30 11:09:56
○ 2020-01-30 18:00:32
○ 2026-05-09 13:59:22
○A192.230.74.1352015-07-22 → 2019-10-30 · 5 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2019-10-30 11:09:56
○ 2020-01-30 18:00:32
○ 2026-05-09 13:59:22
○A198.66.250.72009-01-28 → 2009-01-28 · 3 obs
● 2009-01-28 03:17:06
○ 2015-07-22 20:35:02
○ 2026-05-09 13:59:22
○A2a02:e980:11::872015-07-22 → 2019-10-30 · 5 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2019-10-30 11:09:56
○ 2020-01-30 18:00:32
○ 2026-05-09 13:59:22
●A2a02:e980:13e::cf2020-01-30 → 2026-05-09 · 3 obs
○ 2019-10-30 11:09:56
● 2020-01-30 18:00:32
● 2026-05-09 13:59:22
○A2a02:e980:17::872015-07-22 → 2019-10-30 · 5 obs
○ 2009-01-28 03:17:06
● 2015-07-22 20:35:02
● 2019-10-30 11:09:56
○ 2020-01-30 18:00:32
○ 2026-05-09 13:59:22
●A2a02:e980:e6::cf2020-01-30 → 2026-05-09 · 3 obs
○ 2019-10-30 11:09:56
● 2020-01-30 18:00:32
● 2026-05-09 13:59:22
●A45.60.151.2072020-01-30 → 2026-05-09 · 3 obs
○ 2019-10-30 11:09:56
● 2020-01-30 18:00:32
● 2026-05-09 13:59:22
●A45.60.171.2072020-01-30 → 2026-05-09 · 3 obs
○ 2019-10-30 11:09:56
● 2020-01-30 18:00:32
● 2026-05-09 13:59:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
proofpoint.comns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com...6 records

✅ Authoritative Response

Server:208.84.67.208

NS records: ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com, pdns99.ultradns.biz, pdns99.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofpoint.com (unsigned zone)

⏱️ Timing

Total: 509ms | Queries: -

📄 Records

TypeCountSample Data
A245.60.171.207, 45.60.151.207
AAAA22a02:e980:e6::cf, 2a02:e980:13e::cf
NS6ns1.proofpoint.com, pdns99.ultradns.com...
MX4mxb-00148501.gslb.pphosted.com (pri: 10), mx0b-00148501.pphosted.com (pri: 15)...
TXT38openai-domain-verification=dv-nIygpFUM4q, _github-challenge-proofpoint-2=b5790c8e0...
SOA1ns1.proofpoint.com ops.proofpoint.com

📌 Glue Records Collected

Total: 6

In-bailiwick: 4 (ns1.proofpoint.com, ns1.proofpoint.com, ns3.proofpoint.com...)

Out-of-bailiwick: 2 (pdns99.ultradns.com, pdns99.ultradns.com)

Analysis

Hierarchy

proofpoint.com is a parent of cr-vrrp-101-at1.proofpoint.com, sjc71.proofpoint.com, sjc117.proofpoint.com, ravpn-test-at1.proofpoint.com, social.proofpoint.com and hundreds of other host names.

IP Addresses

Four IP numbers are pointed to by proofpoint.com: 2a02:e980:e6::cf, 2a02:e980:13e::cf, 45.60.151.207 and 45.60.171.207.

other host names including proofpoint.fail, proofpoint.fr, wombatsecurity.com, proofpoint.help and proofpoint.cn.com share IP numbers with proofpoint.com.

Name Servers

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

proofpoint.com at least partially shares name servers with other domains, for instance cloudmark.ie, tp-heatnetworks.org, proofpoint.com.sg, ukrpa.co.uk and amsa.com.

these name servers are commonly used alongside infoblox-sc4.ppops.net.

Host names with two IP numbers:

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

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

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

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.

Mail Servers

Four mail servers handle proofpoint.com: mx0a-00148501.pphosted.com, mx0b-00148501.pphosted.com, mxa-00148501.gslb.pphosted.com and mxb-00148501.gslb.pphosted.com.

proofpoint.com shares some mail servers with other domains, at least partially, for instance socialware.com, dathena.io, proofpoint.com.au, pfpt-cit.com and proofpoint-lab.net.

these mail servers are often used together with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with three IP numbers:

The host name mxa-00148501.gslb.pphosted.com points to: 2620:100:9001:b9::1, 2620:100:9005:b9::1 and 67.231.144.185

The host name mxb-00148501.gslb.pphosted.com points to: 2620:100:9001:b9::1, 2620:100:9005:b9::1 and 67.231.152.185

Host names with two IP numbers:

The host name mx0a-00148501.pphosted.com points to: 2620:100:9001:b9::1 and 67.231.144.185

The host name mx0b-00148501.pphosted.com points to: 2620:100:9005:b9::1 and 67.231.152.185

Host names that point to 2620:100:9001:b9::1: mxa-00148501.gslb.pphosted.com, mxb-00148501.gslb.pphosted.com and mx0a-00148501.pphosted.com

Host names that point to 2620:100:9005:b9::1: mxa-00148501.gslb.pphosted.com, mxb-00148501.gslb.pphosted.com and mx0b-00148501.pphosted.com

Host names that point to 67.231.144.185: mxa-00148501.gslb.pphosted.com and mx0a-00148501.pphosted.com

Host names that point to 67.231.152.185: mxb-00148501.gslb.pphosted.com and mx0b-00148501.pphosted.com