`support-at1.proofpoint.com`

	CNAME	`yw43pct.x.incapdns.net`
	DNSSEC	⚠️ Not signed
	A	45.60.151.207^{🇺🇸 IMPERVA45.60.151.0/24 ORIXCOM via EMIX}

`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	`cursor-domain-verification-wqe15z=RzypHif5XX1tmT2h6yen8EF3t`
	TXT	`pendo-domain-verification=d131a0e2-664a-4230-ba51-0acf99fb4b90`
	TXT	`sl5htyxuslipmbdhyy7s5dpjweyuohqd`
	TXT	`jamf-site-verification=VBoaCJNLZhZnSeap1YIWPA`
	TXT	`flvpf3txfi5s6mfi6q4gzths63zkgyh6`
	TXT	`iJdvOvZ2JpKKuGmHz3m7jyiT9LcUpxjwXIqy0lreXX41M/DqvOyKHQQTBtOFMviSL7SN6As/3CMKH...`
	TXT	`atlassian-domain-verification=ehSV5ixRwTbI5wbth6qsMh3hGCusuawwQB3RtCdRGUyVC/h...`
	TXT	`google-site-verification=VneCes71bA1smMZFJ8bue3Hjjr5PSH2Nw3vXuBFdSOk`
	TXT	`_github-challenge-proofpoint-2=b5790c8e0b`
	TXT	`apple-domain-verification=nOC9FciUgMGXDPqR`
	TXT	`8g643mlg95390t9m27yhh8ccc3djh9kl`
	TXT	`BrG8ZlodJgGfUFj4RAmd28PHnIIHvBj56NGkzIIO3vwg0JUlTJISPsRo95V8+8QR0RY+aBIl21ch7...`
	TXT	`docusign=024d71b2-0e97-4a12-b5d5-59f1398496df`
	TXT	`MS=ms66915438`
	TXT	`openai-domain-verification=dv-nIygpFUM4qrdLLDyQoKeI6q7`
	TXT	`webexdomainverification.=482d75bd-f93a-4b08-b9fd-f29cd4ac460f`
	TXT	`google-site-verification=8gLyzJZLKfsYAHDKstNMwKKI-IB8zB3LPVBe8wyo7fw`
	TXT	`google-site-verification=h87yGt3EWJfCkagvPwOKkK1h1LGCdoBROU_kKbrdXPk`
	TXT	`google-site-verification=uWpkNlmQfQH0hCnGWrr7ZC-o3dx4Dgi--DSZL1wtBoQ`
	TXT	`lfj1tq15csyc72w7bgdt23nv5sfdhbwv`
	TXT	`globalsign-domain-verification=60999847F58FB37C020BB434D74EF1A9`
	TXT	`docker-verification=13460241-226e-4d29-97e7-4699d62bb596`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf...`
	TXT	`7zjqogz6pipkgcunowrzlr2kk4zzbvui`
	TXT	`docusign=2c075292-2334-4a0a-bf3b-71a084c9d0fb`
	TXT	`smartsheet-site-validation=wDwCVDKaaE7jlmu8UfmZC7R_CVdVDt1n`
	TXT	`fastly-domain-delegation-3yF86BWSvK5eKtB4-875817-2025-01-23`
	TXT	`amazonses:q2hxXWvaOdgjhubWnZufuUhKgLZxfL3PoI4cptrU0gY=`
	TXT	`zoom-domain-verification=ZOOM_verify_10035bd9568f4feca52a7a00fe69b79a`
	TXT	`atlassian-sending-domain-verification=37b6750b-3b8f-46dc-b2fa-c576d7d1965c`
	TXT	`google-site-verification=mM60vv41HV36Nx6G5NAk93Se7Z-Y1eWeetnizsR6zLA`
	TXT	`3138e5c5-9798-41bb-a66a-f0b02555197b`
	TXT	`linear-domain-verification=cxrv67j8mq6e`
	TXT	`asv=9465dad26feb30e29b83613f5c02a1de`
	TXT	`adobe-idp-site-verification=5bd692aa8ee1d148c00aac26f7ead08c64182725034dcf069...`
	TXT	`amazonses:RlrTC7/Tv/cDEgJBOGnvF+fa+JgATSOhAby33zYuhWU=`
	TXT	`google-site-verification=sxZ-0Tdu9HaAjWzo8TkbC3Dcvbm9_TcCFaOUJhBGf1E`
	TXT	`anthropic-domain-verification-y3m137=qK0cxjmQtPkMGPQe9LKVeGZj2`
	SOA	`ns1.proofpoint.com`ops@proofpoint.com serial=2018115157

WOT: SAFE (63/100)
rank #697 globally
rank #411 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: #2,165

DNS History

11 records (1 active, 10 former)

○A103.28.248.1052015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 00:04:04
○ 2026-04-03 23:35:42
○ 2026-08-10 18:15:56

○A103.28.249.1052015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 00:04:04
○ 2026-04-03 23:35:42
○ 2026-08-10 18:15:56

○A103.28.250.1052015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 00:04:04
○ 2026-04-03 23:35:42
○ 2026-08-10 18:15:56

○A149.126.74.1052015-08-05 → 2015-12-02 · 4 obs

● 2015-08-05 00:04:04
● 2015-12-02 04:56:48
○ 2016-04-04 14:54:30
○ 2026-08-10 18:15:56

○A192.230.67.1052015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 00:04:04
○ 2026-04-03 23:35:42
○ 2026-08-10 18:15:56

○A192.230.79.1052015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 00:04:04
○ 2026-04-03 23:35:42
○ 2026-08-10 18:15:56

○A199.83.131.1052015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 00:04:04
○ 2026-04-03 23:35:42
○ 2026-08-10 18:15:56

○A199.83.132.1052015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 00:04:04
○ 2026-04-03 23:35:42
○ 2026-08-10 18:15:56

○A208.84.67.2232016-04-04 → 2016-09-08 · 5 obs

○ 2015-12-02 04:56:48
● 2016-04-04 14:54:30
● 2016-09-08 16:46:42
○ 2021-09-14 11:22:00
○ 2026-08-10 18:15:56

○CNAME45l2x.x.incapdns.net2015-08-05 → 2015-12-02 · 4 obs

● 2015-08-05 00:04:04
● 2015-12-02 04:56:48
○ 2016-04-04 14:54:30
○ 2026-08-10 18:15:56

●CNAMEyw43pct.x.incapdns.net2021-09-14 → 2026-08-10 · 3 obs

○ 2016-04-04 14:54:30
● 2021-09-14 11:22:00
● 2026-08-10 18:15:56

🔍 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:208.84.66.208

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: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`yw43pct.x.incapdns.net`

📌 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

support-at1.proofpoint.com directs to one IP number, which is 45.60.151.207.

Among the host names that share IP numbers with support-at1.proofpoint.com are proofpoint.com.sg, dathena.io, proofpoint.social and two others.

support-at1.proofpoint.com - robtex.com