zja.nl
Observed Jul 26, 2026, 10:02 UTC (7d 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 uses1Password
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zja.nl actually stands on - every host below is a signed observation
zja.nl
A / AAAA
83.98.140.23
unattributedserves the site
NS
ns1.desec.ions2.desec.org
desec.io + desec.organswers its DNS
MX
zja-nl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.zja.nl
Let's Encryptissued its certificate
DNS Records
A 1
83.98.140.23
MX 1
10zja-nl.mail.protection.outlook.com
TXT 6
MS=ms65981074apple-domain-verification=exWEzbsjGZdjIk18autodesk-domain-verification=HistlzucTqFEZoSzBmNM1password-site-verification=AOOQSJ5UEFCS3GDTMRKDSYW4VMv=spf1 include:spf.protection.outlook.com ip4:83.161.53.197 include:spf.afas.online include:spf-de.emailsignatures365.com include:servers.mcsv.net -allv=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:it@zja.nl;ruf=mailto:it@zja.nl;ri=86400;aspf=r;adkim=r;fo=1;
NS 2
ns1.desec.ions2.desec.org
SOA 1
get.desec.io get.desec.io
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
www.zja.nl |
C=US, O=Let's Encrypt, CN=YE2 | Mon, 07 Sep 2026 01:11:18 +0000 |
YE2 |
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_080225bf36595ece- Output Hash
896011cf03f261b1b707695a325869d8d33142fff009c1cc2783e925ad05b10f- Signature
ed25519:b1fe5576f01a46f9109e167e692e38de4f40f002944126f4808e415f32ff6e1a07ab0db85dc401bcca93400e98ff4aeed60cbf0a630d99c75288cf65fad8bd08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast