vbku.nl
Observed Jul 27, 2026, 15:37 UTC (6d 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
Also usesAtlassian
IPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat vbku.nl actually stands on - every host below is a signed observation
vbku.nl
A / AAAA
217.170.16.2062001:678:a1c:8000:d9aa:10ce::
2001serves the site
NS
ns.dma.nlns2.dma.nlns3.dma.nl
dma.nlanswers its DNS
MX
vbku-nl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
vbku.nl
Let's Encryptissued its certificate
DNS Records
A 1
217.170.16.206
AAAA 1
2001:678:a1c:8000:d9aa:10ce::
MX 1
0vbku-nl.mail.protection.outlook.com
TXT 7
MS=ms15191681MS=ms39120016C9ZdfV5AGsaWLCezmnByuWz7CqeIRBAELjO+xL4jY5KywM7Rk84A/XipPrVwdxasKOtNhYVFofON2fw3JT5nRw==adobe-idp-site-verification=efe50ded7301082fada180411ac276c648a906c7dbc23c8bac4d6dfcb6f4914fatlassian-domain-verification=rZviulG0t1yqPkc4n1iMMbXxCsZgD2LP5PDZ9Fy7Efloex2N5qay28EbfRUKWCYov=spf1 a include:_spf.intermax.nl include:spf.afas.online ip4:46.31.48.0/21 include:_spf.cobytes.email ip4:46.22.181.134 include:spf.e-active.nl include:spf.pantheon-hosting.nl include:spf.protection.outlook.com ip4:80.95.171.44 ip4:217.170.16.206 -allv=DMARC1; p=quarantine; sp=none; pct=100; rua=mailto:dmarc@vbku.nl;ruf=mailto:dmarc@vbku.nl; fo=1;
NS 3
ns.dma.nlns2.dma.nlns3.dma.nl
SOA 1
ns.dma.nl postmaster.dma.nl
SRV 1
exchange.vbku.nl:443 p10
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
vbku.nl |
C=US, O=Let's Encrypt, CN=YE1 | Fri, 04 Sep 2026 00:31:21 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 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_b862a6bf5e3676ba- Output Hash
a32d1d2c79b0d39aa26070e8cfde9cfa6d2f7be07caa6b8256a3ba85c50b1070- Signature
ed25519:42dabc39a2d19ec195f72bdebfd4452f517581ce6c9815fa575edab7e93a54e510326a831f53fb6a0d561248729a4c1064166787cad1654f6cb9e330b3255504- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast