proofpoint.com

Observed 2026-07-15T08:26:38.340Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Registered withMarkMonitor Inc.

Also usesGoogle Search ConsoleZoomLinearDockerAtlassianDocuSign

IPv6 · 18 subdomains · security

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat proofpoint.com actually stands on - every host below is a signed observation

proofpoint.com

A / AAAA

45.60.151.20745.60.171.2072a02:e980:13e::cf2a02:e980:e6::cf

Cloudflareserves the site

pdns99.ultradns.netns3.proofpoint.compdns99.ultradns.bizns1.proofpoint.com+2 more

ultradns.net + proofpoint.com + moreanswers its DNS

mx0a-00148501.pphosted.commx0b-00148501.pphosted.commxa-00148501.gslb.pphosted.commxb-00148501.gslb.pphosted.com

Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.proofpoint.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time113 ms

DNS resolutionNOERROR

Redirect chain

https://www.proofpoint.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

45.60.151.207
45.60.171.207

AAAA 2

2a02:e980:13e::cf
2a02:e980:e6::cf

MX 4

15mx0a-00148501.pphosted.com
15mx0b-00148501.pphosted.com
10mxa-00148501.gslb.pphosted.com
10mxb-00148501.gslb.pphosted.com

TXT 39

openai-domain-verification=dv-nIygpFUM4qrdLLDyQoKeI6q7
asv=9465dad26feb30e29b83613f5c02a1de
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf-mailers.proofpoint.com include:i.ppops.net include:_spf.atlassian.net ~all
google-site-verification=sxZ-0Tdu9HaAjWzo8TkbC3Dcvbm9_TcCFaOUJhBGf1E
atlassian-sending-domain-verification=37b6750b-3b8f-46dc-b2fa-c576d7d1965c
7zjqogz6pipkgcunowrzlr2kk4zzbvui
anthropic-domain-verification-y3m137=qK0cxjmQtPkMGPQe9LKVeGZj2
smartsheet-site-validation=wDwCVDKaaE7jlmu8UfmZC7R_CVdVDt1n
google-site-verification=h87yGt3EWJfCkagvPwOKkK1h1LGCdoBROU_kKbrdXPk
zoom-domain-verification=ZOOM_verify_10035bd9568f4feca52a7a00fe69b79a

NS 6

pdns99.ultradns.net
ns3.proofpoint.com
pdns99.ultradns.biz
ns1.proofpoint.com
pdns99.ultradns.org
pdns99.ultradns.com

SOA 1

ns1.proofpoint.com ops.proofpoint.com

CAA 2

issue thawte.com
issue comodo.com

TLS Certificates (0)

None.

Subdomains (18)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for proofpoint.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/proofpoint.com">
  <img src="https://domaindrift.io/badge/proofpoint.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for proofpoint.com">
</a>

Ed25519 Receipt

Receipt ID: 5c594109-baf9-42ef-8f7a-a845f4966c7b
Output Hash: da562a5683a39c054e850ea1db56969445109295a0a2a515c44d48f90cb623bd
Signature: ed25519:04d720bc191852e12b05ec235f19f88e33b4804f42d3385f79d419b33f84d682be32bad85f4b9641aa98752a010efef56cd74ab0ea4f476d9e95943e1d2b0e0a
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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