proofpoint.co.uk
Observed Jul 18, 2026, 12:38 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onIncapsula
Secured bySectigo
Registered withMarkmonitor Inc.
1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat proofpoint.co.uk actually stands on - every host below is a signed observation
proofpoint.co.uk
A / AAAA
192.230.74.135192.230.66.135
Incapsulaserves the site
NS
ns1.proofpoint.comns3.proofpoint.compdns99.ultradns.bizpdns99.ultradns.com+2 more
proofpoint.com + ultradns.biz + moreanswers its DNS
TLS
www.proofpoint.com
Sectigo Limitedissued its certificate
DNS Records
A 2
192.230.74.135192.230.66.135
TXT 2
43z3y7t80c7v9v2khy5x1y4k4g5bxgldv=spf1 -all
NS 6
ns1.proofpoint.comns3.proofpoint.compdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.netpdns99.ultradns.org
SOA 1
ns1.proofpoint.com ops.proofpoint.com
CAA 2
issue "comodo.com"issue "thawte.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.proofpoint.com |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36 | Sun, 27 Dec 2026 23:59:59 +0000 |
Sectigo Public Server Authentication CA OV R36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Fri, 21 Mar 2036 23:59:59 +0000 |
Sectigo Public Server Authentication Root R46 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 18 Jan 2038 23:59:59 +0000 |
Subdomains (1)
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 receiptEd25519 Receipt
- Receipt ID
2d0e5517-0412-481a-8a0b-43d2b2f886d7- Output Hash
3df210ab2334c72dc7a3bcb4aa0d3c2aac419aded420dc86e91957dd37d75538- Signature
ed25519:ee4632f912c39be8e6bb1054398b365a886e707e174adc5b49ec08f02dd0fb4a42269e530a4e1fe2bc91ccec043ca85ae367aa0aebe08eae26b9abaa44745308- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast