`update3.proofpoint.com`

DNSSEC	⚠️ Not signed
A	208.84.67.196^{🇺🇸 Proofpoint208.84.67.0/24 Inc.}
		PTR	`update-at1.proofpoint.com`
NS	`ns2-sc4.proofpoint.com` ⭐
		A	208.84.66.55^{🇺🇸 Proofpoint208.84.66.0/24 Inc.}
			PTR	`ns2-sc4.proofpoint.com`
NS	`ns-at1.proofpoint.com`
		A	2620:100:9004::32^{🇺🇸 Proofpoint2620:100:9004::/47 Inc.}
			PTR	`ns-at1.proofpoint.com`
			PTR	`ns-at1.proofpoint.us`
		A	208.84.67.50^{🇺🇸 Proofpoint208.84.67.0/24 Inc.}
			PTR	`ns-at1.proofpoint.com`
			PTR	`ns-at1.proofpoint.us`
NS	`ns-sc4.proofpoint.com`
		A	2620:100:9000::32^{🇺🇸 Proofpoint2620:100:9000::/47 Inc.}
			PTR	`ns-sc4.proofpoint.com`
			PTR	`ns-sc4.proofpoint.us`
		A	208.84.66.50^{🇺🇸 Proofpoint208.84.66.0/24 Inc.}
			PTR	`ns-sc4.proofpoint.com`
			PTR	`ns-sc4.proofpoint.us`
NS	`ns-ut7.proofpoint.com`
		A	2620:100:9008::32^{🇺🇸 AS139162620:100:9008::/47 Proofpoint Inc.}
			PTR	`ns-ut7.proofpoint.com`
		A	148.163.128.50^{🇺🇸 AS13916148.163.128.0/24 Proofpoint Inc.}
			PTR	`ns-ut7.proofpoint.com`
SOA	`ns2-sc4.proofpoint.com`ops@proofpoint.com 2025-11-02 #23

`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	`lfj1tq15csyc72w7bgdt23nv5sfdhbwv`
	TXT	`docker-verification=13460241-226e-4d29-97e7-4699d62bb596`
	TXT	`openai-domain-verification=dv-nIygpFUM4qrdLLDyQoKeI6q7`
	TXT	`anthropic-domain-verification-y3m137=qK0cxjmQtPkMGPQe9LKVeGZj2`
	TXT	`fastly-domain-delegation-3yF86BWSvK5eKtB4-875817-2025-01-23`
	TXT	`adobe-idp-site-verification=5bd692aa8ee1d148c00aac26f7ead08c64182725034dcf069...`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf...`
	TXT	`jamf-site-verification=VBoaCJNLZhZnSeap1YIWPA`
	TXT	`google-site-verification=VneCes71bA1smMZFJ8bue3Hjjr5PSH2Nw3vXuBFdSOk`
	TXT	`iJdvOvZ2JpKKuGmHz3m7jyiT9LcUpxjwXIqy0lreXX41M/DqvOyKHQQTBtOFMviSL7SN6As/3CMKH...`
	TXT	`asv=9465dad26feb30e29b83613f5c02a1de`
	TXT	`atlassian-domain-verification=ehSV5ixRwTbI5wbth6qsMh3hGCusuawwQB3RtCdRGUyVC/h...`
	TXT	`google-site-verification=uWpkNlmQfQH0hCnGWrr7ZC-o3dx4Dgi--DSZL1wtBoQ`
	TXT	`apple-domain-verification=nOC9FciUgMGXDPqR`
	TXT	`google-site-verification=sxZ-0Tdu9HaAjWzo8TkbC3Dcvbm9_TcCFaOUJhBGf1E`
	TXT	`webexdomainverification.=482d75bd-f93a-4b08-b9fd-f29cd4ac460f`
	TXT	`docusign=2c075292-2334-4a0a-bf3b-71a084c9d0fb`
	TXT	`_github-challenge-proofpoint-2=b5790c8e0b`
	TXT	`BrG8ZlodJgGfUFj4RAmd28PHnIIHvBj56NGkzIIO3vwg0JUlTJISPsRo95V8+8QR0RY+aBIl21ch7...`
	TXT	`smartsheet-site-validation=wDwCVDKaaE7jlmu8UfmZC7R_CVdVDt1n`
	TXT	`amazonses:RlrTC7/Tv/cDEgJBOGnvF+fa+JgATSOhAby33zYuhWU=`
	TXT	`pendo-domain-verification=d131a0e2-664a-4230-ba51-0acf99fb4b90`
	TXT	`google-site-verification=mM60vv41HV36Nx6G5NAk93Se7Z-Y1eWeetnizsR6zLA`
	TXT	`globalsign-domain-verification=60999847F58FB37C020BB434D74EF1A9`
	TXT	`docusign=024d71b2-0e97-4a12-b5d5-59f1398496df`
	TXT	`8g643mlg95390t9m27yhh8ccc3djh9kl`
	TXT	`google-site-verification=h87yGt3EWJfCkagvPwOKkK1h1LGCdoBROU_kKbrdXPk`
	TXT	`linear-domain-verification=cxrv67j8mq6e`
	TXT	`cursor-domain-verification-wqe15z=RzypHif5XX1tmT2h6yen8EF3t`
	TXT	`google-site-verification=8gLyzJZLKfsYAHDKstNMwKKI-IB8zB3LPVBe8wyo7fw`
	TXT	`zoom-domain-verification=ZOOM_verify_10035bd9568f4feca52a7a00fe69b79a`
	TXT	`atlassian-sending-domain-verification=37b6750b-3b8f-46dc-b2fa-c576d7d1965c`
	TXT	`MS=ms66915438`
	TXT	`amazonses:q2hxXWvaOdgjhubWnZufuUhKgLZxfL3PoI4cptrU0gY=`
	TXT	`3138e5c5-9798-41bb-a66a-f0b02555197b`
	SOA	`ns1.proofpoint.com`ops@proofpoint.com serial=2018114873

WOT: SAFE (63/100)
rank #668 globally
rank #393 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: #2,156

Same first word

update3.info

DNS History

7 records (5 active, 2 former)

●NSns-at1.proofpoint.com2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 09:00:04
● 2026-04-11 19:44:40

●NSns-sc4.proofpoint.com2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 09:00:04
● 2026-04-11 19:44:40

●NSns-ut7.proofpoint.com2026-03-01 → 2026-04-11 · 2 obs

● 2026-03-01 09:00:04
● 2026-04-11 19:44:40

●NSns2-sc4.proofpoint.com2026-03-03 → 2026-04-11 · 11 obs

○ 2026-03-01 09:00:04
● 2026-03-03 21:18:06
● 2026-03-04 12:28:02
○ 2026-03-04 16:45:56
○ 2026-03-14 13:50:28
● 2026-03-17 00:36:22
○ 2026-03-21 21:34:28
● 2026-03-22 20:08:40
○ 2026-03-24 21:14:16
○ 2026-03-28 14:36:32
● 2026-04-11 19:44:40

○A185.132.181.382026-03-13 → 2026-03-13 · 4 obs

○ 2026-03-12 18:41:22
● 2026-03-13 13:00:22
○ 2026-03-14 13:50:28
○ 2026-04-11 19:44:40

○A208.84.66.1962026-03-01 → 2026-03-26 · 17 obs

● 2026-03-01 09:00:04
○ 2026-03-03 21:18:06
● 2026-03-04 12:28:02
● 2026-03-04 16:45:56
○ 2026-03-05 02:07:38
○ 2026-03-06 03:53:04
● 2026-03-10 07:17:30
● 2026-03-12 05:12:08
○ 2026-03-12 18:41:22
○ 2026-03-13 13:00:22
● 2026-03-14 13:50:28
● 2026-03-17 00:36:22
○ 2026-03-21 21:34:28
○ 2026-03-24 21:14:16
● 2026-03-26 05:15:20
○ 2026-03-28 14:36:32
○ 2026-04-11 19:44:40

●A208.84.67.1962026-03-03 → 2026-04-11 · 16 obs

○ 2026-03-01 09:00:04
● 2026-03-03 21:18:06
○ 2026-03-04 12:28:02
○ 2026-03-04 16:45:56
● 2026-03-05 02:07:38
● 2026-03-06 03:53:04
○ 2026-03-10 07:17:30
○ 2026-03-12 05:12:08
● 2026-03-12 18:41:22
○ 2026-03-13 13:00:22
○ 2026-03-17 00:36:22
● 2026-03-21 21:34:28
● 2026-03-24 21:14:16
○ 2026-03-26 05:15:20
● 2026-03-28 14:36:32
● 2026-04-11 19:44:40

🔍 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
update3.proofpoint.com	ns-ut7.proofpoint.com, ns-at1.proofpoint.com, ns-sc4.proofpoint.com	6 records

✅ Authoritative Response

Server:148.163.128.50

NS records: ns-ut7.proofpoint.com, ns-at1.proofpoint.com, ns-sc4.proofpoint.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofpoint.com (unsigned zone)

⏱️ Timing

Total: 256ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.84.67.196`
NS	3	`ns-ut7.proofpoint.com, ns-sc4.proofpoint.com...`
SOA	1	`ns2-sc4.proofpoint.com ops.proofpoint.co`

📌 Glue Records Collected

Total: 12

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

Out-of-bailiwick: 8 (pdns99.ultradns.com, pdns99.ultradns.com, ns-sc4.proofpoint.com...)

Analysis

IP Addresses

update3.proofpoint.com points to a single IP number: 208.84.67.196.

Other host names, for instance update-at1.proofpoint.com, share IP numbers with update3.proofpoint.com.

Name Servers

update3.proofpoint.com is delegated to four name servers: ns-at1.proofpoint.com, ns-sc4.proofpoint.com, ns-ut7.proofpoint.com and ns2-sc4.proofpoint.com.

update3.proofpoint.com shares name servers with other domains at least partially, for instance nagiosaziz.com.gslb.pphosted.com, easyjet.com.gslb.pphosted.com, teleflex.com.gslb.pphosted.com, tjx.com.gslb.pphosted.com and pinnaclebank.com.gslb.pphosted.com.

These name servers are commonly used with ns-sfo.proofpoint.com, ns-at1.proofpoint.us, ns-sc4.proofpoint.us and ns-ams.proofpoint.com.

Host names with two IP numbers:

ns-at1.proofpoint.com points to: 2620:100:9004::32 and 208.84.67.50.

ns-sc4.proofpoint.com points to: 2620:100:9000::32 and 208.84.66.50.

ns-ut7.proofpoint.com points to: 2620:100:9008::32 and 148.163.128.50.

Host names with one IP number:

ns2-sc4.proofpoint.com points to: 208.84.66.55.

update3.proofpoint.com - robtex.com