`protect.proofpoint.com`

DNSSEC	⚠️ Not signed
NS	`ns-1205.awsdns-22.org` ⭐
		A	2600:9000:5304:b500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1205.awsdns-22.org`
		A	205.251.196.181^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1205.awsdns-22.org`
NS	`ns-1001.awsdns-61.net`
		A	2600:9000:5303:e900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1001.awsdns-61.net`
		A	205.251.195.233^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1001.awsdns-61.net`
NS	`ns-1885.awsdns-43.co.uk`
		A	2600:9000:5307:5d00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1885.awsdns-43.co.uk`
		A	205.251.199.93^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1885.awsdns-43.co.uk`
NS	`ns-264.awsdns-33.com`
		A	2600:9000:5301:800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-264.awsdns-33.com`
		A	205.251.193.8^{Amazon205.251.193.0/24 prefix}
SOA	`ns-1205.awsdns-22.org`awsdns-hostmaster@amazon.com serial=1

`proofpoint.com`

	DNSSEC	⚠️ Not signed
	A	2a02:e980:e6::cf^{🇺🇸 IMPERVA2a02:e980:e6::/48}
	A	2a02:e980:13e::cf^{🇺🇸 IMPERVA2a02:e980:13e::/48}
	A	45.60.151.207^{🇺🇸 IMPERVA45.60.151.0/24}
	A	45.60.171.207^{🇺🇸 IMPERVA45.60.171.0/24}
	NS	`ns1.proofpoint.com` ⭐
	NS	`ns3.proofpoint.com`
	NS	`pdns99.ultradns.biz` ⚠️ Not in parent delegation
	NS	`pdns99.ultradns.com` ⚠️ Not in parent delegation
	NS	`pdns99.ultradns.net` ⚠️ Not in parent delegation
	NS	`pdns99.ultradns.org` ⚠️ Not in parent delegation
	MX	`mxa-00148501.gslb.pphosted.com` ⭐
	MX	`mxb-00148501.gslb.pphosted.com` ⭐
	MX	`mx0a-00148501.pphosted.com`⁽¹⁵⁾
	MX	`mx0b-00148501.pphosted.com`⁽¹⁵⁾
	TXT	`_github-challenge-proofpoint-2=b5790c8e0b`
	TXT	`linear-domain-verification=cxrv67j8mq6e`
	TXT	`google-site-verification=sxZ-0Tdu9HaAjWzo8TkbC3Dcvbm9_TcCFaOUJhBGf1E`
	TXT	`google-site-verification=VneCes71bA1smMZFJ8bue3Hjjr5PSH2Nw3vXuBFdSOk`
	TXT	`fastly-domain-delegation-3yF86BWSvK5eKtB4-875817-2025-01-23`
	TXT	`zoom-domain-verification=ZOOM_verify_10035bd9568f4feca52a7a00fe69b79a`
	TXT	`adobe-idp-site-verification=5bd692aa8ee1d148c00aac26f7ead08c64182725034dcf069...`
	TXT	`smartsheet-site-validation=wDwCVDKaaE7jlmu8UfmZC7R_CVdVDt1n`
	TXT	`sl5htyxuslipmbdhyy7s5dpjweyuohqd`
	TXT	`pendo-domain-verification=d131a0e2-664a-4230-ba51-0acf99fb4b90`
	TXT	`webexdomainverification.=482d75bd-f93a-4b08-b9fd-f29cd4ac460f`
	TXT	`globalsign-domain-verification=60999847F58FB37C020BB434D74EF1A9`
	TXT	`atlassian-domain-verification=ehSV5ixRwTbI5wbth6qsMh3hGCusuawwQB3RtCdRGUyVC/h...`
	TXT	`atlassian-sending-domain-verification=37b6750b-3b8f-46dc-b2fa-c576d7d1965c`
	TXT	`8g643mlg95390t9m27yhh8ccc3djh9kl`
	TXT	`apple-domain-verification=nOC9FciUgMGXDPqR`
	TXT	`7zjqogz6pipkgcunowrzlr2kk4zzbvui`
	TXT	`docusign=024d71b2-0e97-4a12-b5d5-59f1398496df`
	TXT	`google-site-verification=8gLyzJZLKfsYAHDKstNMwKKI-IB8zB3LPVBe8wyo7fw`
	TXT	`MS=ms66915438`
	TXT	`jamf-site-verification=VBoaCJNLZhZnSeap1YIWPA`
	TXT	`google-site-verification=h87yGt3EWJfCkagvPwOKkK1h1LGCdoBROU_kKbrdXPk`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf...`
	TXT	`amazonses:RlrTC7/Tv/cDEgJBOGnvF+fa+JgATSOhAby33zYuhWU=`
	TXT	`docker-verification=13460241-226e-4d29-97e7-4699d62bb596`
	TXT	`iJdvOvZ2JpKKuGmHz3m7jyiT9LcUpxjwXIqy0lreXX41M/DqvOyKHQQTBtOFMviSL7SN6As/3CMKH...`
	TXT	`anthropic-domain-verification-y3m137=qK0cxjmQtPkMGPQe9LKVeGZj2`
	TXT	`asv=9465dad26feb30e29b83613f5c02a1de`
	TXT	`flvpf3txfi5s6mfi6q4gzths63zkgyh6`
	TXT	`amazonses:q2hxXWvaOdgjhubWnZufuUhKgLZxfL3PoI4cptrU0gY=`
	TXT	`BrG8ZlodJgGfUFj4RAmd28PHnIIHvBj56NGkzIIO3vwg0JUlTJISPsRo95V8+8QR0RY+aBIl21ch7...`
	TXT	`lfj1tq15csyc72w7bgdt23nv5sfdhbwv`
	TXT	`openai-domain-verification=dv-nIygpFUM4qrdLLDyQoKeI6q7`
	TXT	`google-site-verification=uWpkNlmQfQH0hCnGWrr7ZC-o3dx4Dgi--DSZL1wtBoQ`
	TXT	`google-site-verification=mM60vv41HV36Nx6G5NAk93Se7Z-Y1eWeetnizsR6zLA`
	TXT	`3138e5c5-9798-41bb-a66a-f0b02555197b`
	TXT	`cursor-domain-verification-wqe15z=RzypHif5XX1tmT2h6yen8EF3t`
	TXT	`docusign=2c075292-2334-4a0a-bf3b-71a084c9d0fb`
	SOA	`ns1.proofpoint.com`ops@proofpoint.com serial=2018114972

WOT: SAFE (63/100)
rank #665 globally
rank #386 in the tld

proofpoint.com

Proofpoint.com is the corporate website and product portal of Proofpoint, Inc., a major American cybersecurity company specializing in email security, anti-phishing, threat intelligence, and data-loss prevention.

Key facts

Owner / operator: Proofpoint, Inc. (privately held; owned by Thoma Bravo since 2021)
TLD:.com— gTLD
Primary purpose: Corporate website, product documentation, and cloud security-service delivery portal
Status: Active

History

Year	Event
2002	Proofpoint, Inc. founded in Sunnyvale, California
2012	IPO on NASDAQ
2021	Acquired by private-equity firm Thoma Bravo for approximately $12.4 billion; taken private

Related domains

proofpointessentials.com— SMB-focused product line (Proofpoint Essentials)

🔒 HSTS Preload (+subdomains)
WOT: SAFE (78/100)
📈 Tranco rank: #2,122

Subdomains

securelogin-us1.protect.proofpoint.com

webhook-us1.protect.proofpoint.com

flapi-us1.protect.proofpoint.com

mfe.protect.proofpoint.com

Same first word

protect.im

protect.earth

protect.institute

protect.city

protect.de

protect.ninja

protect.org

protect.fr

protect.ws

protect.community

protect.cz

protect.world

protect.pl

protect.expert

protect.dk

protect.bio

protect.cc

protect.info

protect.fi

protect.scot

protect.szczecin.pl

protect.com.tr

protect.link

protect.com

protect.li

protect.company

protect.site

protect.tm

protect.net.pk

protect.kasserver.com

protect.dance

protect.at

protect.of.by

protect.center

protect.ba

protect.it

protect.tv

protect.sk

protect.xyz

protect.no

protect.hr

protect.team

protect.net.pl

protect.hu

protect.net.au

protect.com.ua

protect.io

protect.gr

protect.ch

protect.church

protect.in

protect.nyc

protect.versicherung

protect.events

protect.today

protect.am

protect.plus

protect.ro

protect.net

protect.neustar

protect.foundation

protect.kiwi

protect.ru

protect.com.tw

protect.co

protect.pro

protect.ly

protect.life

protect.si

protect.place

protect.academy

protect.mobi

protect.be

protect.vip

protect.eu

protect.ltd

protect.ne.kr

protect.dog

protect.business

Similar names

tceport.com.cn

tecport.eu

troptec.net

tecport.com.au

topcret.ru

porttec.com

prottec.com

ptretco.com

tprotec.com

ttecpro.com

ttecorp.com

tecport.com.br

ettcorp.net

troptec.org

proctet.net

porttec.es

tropect.com

topcert.com.br

tetcorp.org

tceport.cn

tecport.ind.br

troptec.com

prottec.com.ar

topcert.cz

tetcorp.es

topcret.com

topcert.com.cn

portect.com

topcert.com

tecport.de

DNS History

12 records (4 active, 8 former)

●NSns-1001.awsdns-61.net2026-03-02 → 2026-06-04 · 2 obs

● 2026-03-02 17:43:24
● 2026-06-04 12:17:14

●NSns-1205.awsdns-22.org2026-03-02 → 2026-06-04 · 2 obs

● 2026-03-02 17:43:24
● 2026-06-04 12:17:14

●NSns-1885.awsdns-43.co.uk2026-03-02 → 2026-06-04 · 2 obs

● 2026-03-02 17:43:24
● 2026-06-04 12:17:14

●NSns-264.awsdns-33.com2026-03-02 → 2026-06-04 · 2 obs

● 2026-03-02 17:43:24
● 2026-06-04 12:17:14

○A18.193.155.1832026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 17:43:24
○ 2026-03-27 11:41:48
○ 2026-06-04 12:17:14

○A18.197.172.2142026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 17:43:24
○ 2026-03-27 11:41:48
○ 2026-06-04 12:17:14

○A3.76.136.1052026-05-03 → 2026-05-03 · 4 obs

○ 2026-04-20 00:52:58
● 2026-05-03 13:35:04
○ 2026-05-31 07:10:58
○ 2026-06-04 12:17:14

○A35.157.179.2322026-04-20 → 2026-04-20 · 4 obs

○ 2026-03-27 11:41:48
● 2026-04-20 00:52:58
○ 2026-05-03 13:35:04
○ 2026-06-04 12:17:14

○A52.28.38.162026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-02 17:43:24
● 2026-03-27 11:41:48
○ 2026-04-20 00:52:58
○ 2026-06-04 12:17:14

○A52.58.141.1552026-04-20 → 2026-04-20 · 4 obs

○ 2026-03-27 11:41:48
● 2026-04-20 00:52:58
○ 2026-05-03 13:35:04
○ 2026-06-04 12:17:14

○A63.181.52.172026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-02 17:43:24
● 2026-03-27 11:41:48
○ 2026-04-20 00:52:58
○ 2026-06-04 12:17:14

○A63.184.63.652026-05-03 → 2026-05-03 · 4 obs

○ 2026-04-20 00:52:58
● 2026-05-03 13:35:04
○ 2026-05-31 07:10:58
○ 2026-06-04 12:17:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
proofpoint.com	ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com...	6 records
protect.proofpoint.com	ns-1001.awsdns-61.net, ns-1885.awsdns-43.co.uk, ns-1205.awsdns-22.org, ns-264.awsdns-33.com	-

✅ Authoritative Response

Server:205.251.193.8

NS records: ns-1001.awsdns-61.net, ns-1885.awsdns-43.co.uk, ns-1205.awsdns-22.org, ns-264.awsdns-33.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofpoint.com (unsigned zone)

⏱️ Timing

Total: 2457ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1001.awsdns-61.net, ns-1205.awsdns-22.org...`
SOA	1	`ns-1205.awsdns-22.org awsdns-hostmaster.`

📌 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

securelogin-us1.protect.proofpoint.com, webhook-us1.protect.proofpoint.com, flapi-us1.protect.proofpoint.com and mfe.protect.proofpoint.com are all subdomains of protect.proofpoint.com.

Name Servers

protect.proofpoint.com is delegated to 4 name servers: ns-264.awsdns-33.com, ns-1001.awsdns-61.net, ns-1205.awsdns-22.org and ns-1885.awsdns-43.co.uk.

The host names ns-264.awsdns-33.com, ns-1001.awsdns-61.net, ns-1205.awsdns-22.org and ns-1885.awsdns-43.co.uk each point to two IP numbers: ns-264.awsdns-33.com points to 205.251.193.8 and 2600:9000:5301:800::1. ns-1001.awsdns-61.net points to 205.251.195.233 and 2600:9000:5303:e900::1. ns-1205.awsdns-22.org points to 205.251.196.181 and 2600:9000:5304:b500::1. ns-1885.awsdns-43.co.uk points to 205.251.199.93 and 2600:9000:5307:5d00::1.

protect.proofpoint.com - robtex.com