aup.nl
Observed Jul 24, 2026, 05:47 UTC (11h 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 usesGoogle Search Console
IPv6 · 3 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat aup.nl actually stands on - every host below is a signed observation
aup.nl
A / AAAA
83.96.201.732a02:348:5e6:1::1a00
2a02serves the site
NS
ns3.dehostingfirma.orgns2.dehostingfirma.comns1.dehostingfirma.eu
dehostingfirma.org + dehostingfirma.com + moreanswers its DNS
MX
aup-nl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.aup.nl
Let's Encryptissued its certificate
DNS Records
A 1
83.96.201.73
AAAA 1
2a02:348:5e6:1::1a00
MX 1
90aup-nl.mail.protection.outlook.com
TXT 3
v=spf1 a mx ip4:193.37.217.48/28 include:spf.dehostingfirma.nl include:servers.mcsv.net include:spf.protection.outlook.com -allgoogle-site-verification=aQZwaiXKXXOfHYSGwJf03hh1eJKSumklusGCKRc8dH8v=DMARC1; p=reject; rua=mailto:dmarc@wyxd8dz3.uriports.com; ruf=mailto:dmarc@wyxd8dz3.uriports.com; fo=0:d:s
NS 3
ns3.dehostingfirma.orgns2.dehostingfirma.comns1.dehostingfirma.eu
SOA 1
ns1.dehostingfirma.eu hostmaster.dehostingfirma.nl
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.aup.nl |
C=US, O=Let's Encrypt, CN=YR1 | Wed, 21 Oct 2026 08:02:58 +0000 |
YR1 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (3)
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_ffb23a56be1988bd- Output Hash
2915604a08307d702cb274fd9f206570e4930e5879102c2ba2f6f5d8b8d837cd- Signature
ed25519:08aae65f525b713efcc7c7dee7d6fe7206170445c2a41da3b4d41666f57e8ca9e06ceb6c464f1f6a21612bef701c6bcae0f42cd3767caf5416fa079e1b0d5c05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast