dutchdredging.nl
Observed Jul 27, 2026, 16:09 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dutchdredging.nl actually stands on - every host below is a signed observation
dutchdredging.nl
A / AAAA
52.28.131.143
unattributedserves the site
NS
dale.ns.cloudflare.commarjory.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
dutchdredging-nl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.dutchdredging.nl
Let's Encryptissued its certificate
DNS Records
A 1
52.28.131.143
MX 1
10dutchdredging-nl.mail.protection.outlook.com
TXT 5
D1cmRFvVwF6Y5VS+OLjwJWPA76chbnphoqMhiYzSKByzgZ2D0FRy+yh9cjZhPq3v9mKgtv4lK0eCK3rZon8Qfg==Foxit-domain-verification=cecf510529d33d26204b7816fc21dd80MS=ms88187357v=spf1 mx include:spf.protection.outlook.com include:spf.afas.online include:amazonses.com include:_spf.psm.knowbe4.com ip4:95.97.58.51 ip4:213.34.153.226 a:smtp.ibarracuda.nl ~allv=DMARC1; p=none; pct=100; rua=mailto:dmarc.reports@dutchdredging.nl,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc.failurereports@dutchdredging.nl; fo=1
NS 2
dale.ns.cloudflare.commarjory.ns.cloudflare.com
SOA 1
dale.ns.cloudflare.com dns.cloudflare.com
SRV 1
sipdir.online.lync.com:443 p0
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.dutchdredging.nl |
C=US, O=Let's Encrypt, CN=E8 | Mon, 24 Aug 2026 16:44:52 +0000 |
E8 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 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
rcpt_06c39cb619aa47dc- Output Hash
9391f4ed210d9497686cb49ffa0c485fac03b90fb6c8640489e93b6c42d871b6- Signature
ed25519:9f6433fe8164df481484f9ab9de10cdccb825df05fa8e649388fbe1bbbd38b219fde5433ab4aa0c1ee5f6f8ba0a0d9dcc281baa1d1820b9f1ef91c0895c7e303- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast