mx1.proofpoint.com - dns.ninja

`mx1.proofpoint.com`

CNAME	`mx1.proofpoint.com.gslb.pphosted.com`
DNSSEC	⚠️ Not signed
A	2620:100:9001:b9::1^{🇺🇸 Proofpoint2620:100:9000::/47 Inc.}
		PTR	`mx0a-00148501.pphosted.com`
A	2620:100:9005:b9::1^{🇺🇸 Proofpoint2620:100:9004::/47 Inc.}
A	67.231.144.185^{🇺🇸 Proofpoint67.231.144.0/24 Inc.}

`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 ORIXCOM via EMIX}
	A	45.60.171.207^{🇺🇸 IMPERVA45.60.171.0/24 ORIXCOM via EMIX}
	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	`google-site-verification=uWpkNlmQfQH0hCnGWrr7ZC-o3dx4Dgi--DSZL1wtBoQ`
	TXT	`fastly-domain-delegation-3yF86BWSvK5eKtB4-875817-2025-01-23`
	TXT	`flvpf3txfi5s6mfi6q4gzths63zkgyh6`
	TXT	`8g643mlg95390t9m27yhh8ccc3djh9kl`
	TXT	`docusign=024d71b2-0e97-4a12-b5d5-59f1398496df`
	TXT	`apple-domain-verification=nOC9FciUgMGXDPqR`
	TXT	`3138e5c5-9798-41bb-a66a-f0b02555197b`
	TXT	`sl5htyxuslipmbdhyy7s5dpjweyuohqd`
	TXT	`iJdvOvZ2JpKKuGmHz3m7jyiT9LcUpxjwXIqy0lreXX41M/DqvOyKHQQTBtOFMviSL7SN6As/3CMKH...`
	TXT	`linear-domain-verification=cxrv67j8mq6e`
	TXT	`atlassian-sending-domain-verification=37b6750b-3b8f-46dc-b2fa-c576d7d1965c`
	TXT	`_github-challenge-proofpoint-2=b5790c8e0b`
	TXT	`adobe-idp-site-verification=5bd692aa8ee1d148c00aac26f7ead08c64182725034dcf069...`
	TXT	`google-site-verification=VneCes71bA1smMZFJ8bue3Hjjr5PSH2Nw3vXuBFdSOk`
	TXT	`amazonses:q2hxXWvaOdgjhubWnZufuUhKgLZxfL3PoI4cptrU0gY=`
	TXT	`google-site-verification=8gLyzJZLKfsYAHDKstNMwKKI-IB8zB3LPVBe8wyo7fw`
	TXT	`atlassian-domain-verification=ehSV5ixRwTbI5wbth6qsMh3hGCusuawwQB3RtCdRGUyVC/h...`
	TXT	`docusign=2c075292-2334-4a0a-bf3b-71a084c9d0fb`
	TXT	`7zjqogz6pipkgcunowrzlr2kk4zzbvui`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf...`
	TXT	`webexdomainverification.=482d75bd-f93a-4b08-b9fd-f29cd4ac460f`
	TXT	`google-site-verification=h87yGt3EWJfCkagvPwOKkK1h1LGCdoBROU_kKbrdXPk`
	TXT	`anthropic-domain-verification-y3m137=qK0cxjmQtPkMGPQe9LKVeGZj2`
	TXT	`globalsign-domain-verification=60999847F58FB37C020BB434D74EF1A9`
	TXT	`docker-verification=13460241-226e-4d29-97e7-4699d62bb596`
	TXT	`pendo-domain-verification=d131a0e2-664a-4230-ba51-0acf99fb4b90`
	TXT	`openai-domain-verification=dv-nIygpFUM4qrdLLDyQoKeI6q7`
	TXT	`cursor-domain-verification-wqe15z=RzypHif5XX1tmT2h6yen8EF3t`
	TXT	`google-site-verification=mM60vv41HV36Nx6G5NAk93Se7Z-Y1eWeetnizsR6zLA`
	TXT	`lfj1tq15csyc72w7bgdt23nv5sfdhbwv`
	TXT	`google-site-verification=sxZ-0Tdu9HaAjWzo8TkbC3Dcvbm9_TcCFaOUJhBGf1E`
	TXT	`asv=9465dad26feb30e29b83613f5c02a1de`
	TXT	`amazonses:RlrTC7/Tv/cDEgJBOGnvF+fa+JgATSOhAby33zYuhWU=`
	TXT	`zoom-domain-verification=ZOOM_verify_10035bd9568f4feca52a7a00fe69b79a`
	TXT	`BrG8ZlodJgGfUFj4RAmd28PHnIIHvBj56NGkzIIO3vwg0JUlTJISPsRo95V8+8QR0RY+aBIl21ch7...`
	TXT	`jamf-site-verification=VBoaCJNLZhZnSeap1YIWPA`
	TXT	`smartsheet-site-validation=wDwCVDKaaE7jlmu8UfmZC7R_CVdVDt1n`
	TXT	`MS=ms66915438`
	SOA	`ns1.proofpoint.com`ops@proofpoint.com serial=2018115154

WOT: SAFE (63/100)
rank #696 globally
rank #409 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: #2,064

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DNS History

6 records (1 active, 5 former)

○A207.111.247.122008-08-11 → 2008-08-11 · 3 obs

● 2008-08-11 04:38:32
○ 2015-09-01 23:35:18
○ 2026-08-02 15:06:22

○A2620:100:9001:b9::12016-11-07 → 2016-11-07 · 4 obs

○ 2016-04-26 17:47:54
● 2016-11-07 01:12:04
○ 2017-04-05 21:23:06
○ 2026-08-02 15:06:22

○A2620:100:9005:b9::12015-09-01 → 2017-04-05 · 7 obs

○ 2008-08-11 04:38:32
● 2015-09-01 23:35:18
● 2016-04-26 17:47:54
○ 2016-11-07 01:12:04
● 2017-04-05 21:23:06
○ 2017-12-18 18:36:40
○ 2026-08-02 15:06:22

○A67.231.144.1852015-09-01 → 2017-04-05 · 8 obs

○ 2008-08-11 04:38:32
● 2015-09-01 23:35:18
● 2016-01-12 22:00:14
○ 2016-02-08 13:54:26
○ 2016-11-07 01:12:04
● 2017-04-05 21:23:06
○ 2017-12-18 18:36:40
○ 2026-08-02 15:06:22

○A67.231.152.1852015-09-01 → 2016-11-07 · 8 obs

○ 2008-08-11 04:38:32
● 2015-09-01 23:35:18
● 2015-11-27 08:47:18
○ 2016-01-12 22:00:14
● 2016-02-08 13:54:26
● 2016-11-07 01:12:04
○ 2017-04-05 21:23:06
○ 2026-08-02 15:06:22

●CNAMEmx1.proofpoint.com.gslb.pphosted.com2008-08-11 → 2026-08-02 · 2 obs

● 2008-08-11 04:38:32
● 2026-08-02 15:06:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
proofpoint.com	ns1.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: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mx1.proofpoint.com.gslb.pphosted.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

IP Addresses

mx1.proofpoint.com resolves to three IP addresses: 67.231.144.185, 2620:100:9001:b9::1 and 2620:100:9005:b9::1.

Additional host names — mx0a-00148501.pphosted.com, mxb-00148501.gslb.pphosted.com, mxa-00148501.gslb.pphosted.com and two others — share IP numbers with mx1.proofpoint.com.