proofpoint.nl
Observed 2026-07-14T06:54:22.788Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCloudflare
IPv6 · 1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat proofpoint.nl actually stands on - every host below is a signed observation
proofpoint.nl
A / AAAA
45.60.151.20745.60.171.2072a02:e980:13e::cf2a02:e980:e6::cf
Cloudflareserves the site
NS
pdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.orgpdns99.ultradns.net+2 more
ultradns.biz + ultradns.com + moreanswers its DNS
HTTPS probe
server_error
Server error (5xx) 525 Server Error
HTTP status525
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time994 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
45.60.151.20745.60.171.207
AAAA 2
2a02:e980:13e::cf2a02:e980:e6::cf
TXT 1
v=spf1 -all
NS 6
pdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.orgpdns99.ultradns.netns1.proofpoint.comns3.proofpoint.com
SOA 1
ns1.proofpoint.com ops.proofpoint.com
TLS Certificates (0)
None.
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
ae3b7e49-7c27-43b2-8b28-3ce9bff956dc- Output Hash
4556557e6857b7db64041c0aa5f4105251c30f8900f5afc0ae4bd6e6dd9cc4ec- Signature
ed25519:ef249fef0e4bcf9d38b81b29db81e1ec2df3e76eb7263900f72d16d63b36c837feec7bb2ea02ab9328b2b8561f736a0eb4806c044a6db3c4f9ecd61dc5767406- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast