zkrd.de
Observed Jul 26, 2026, 10:04 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
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zkrd.de actually stands on - every host below is a signed observation
zkrd.de
A / AAAA
176.9.141.69
unattributedserves the site
NS
y.ns.joker.comx.ns.joker.comz.ns.joker.com
joker.comanswers its DNS
MX
mailserver.zkrd.de
zkrd.dereceives its email
TLS
zkrd.de
Let's Encryptissued its certificate
DNS Records
A 1
176.9.141.69
MX 1
50mailserver.zkrd.de
TXT 2
google-site-verification=lROL_iRFdhhYHRTV5Fe89r3R6pqBxUNx3ShzAiy_REMv=spf1 mx ~all
NS 3
y.ns.joker.comx.ns.joker.comz.ns.joker.com
SOA 1
x.ns.joker.com hostmaster.joker.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zkrd.de |
C=US, O=Let's Encrypt, CN=YR2 | Mon, 31 Aug 2026 10:30:53 +0000 |
YR2 |
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 (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_f3c380eead030e9b- Output Hash
9243830efd8eabb4e5e596b64027de1bd402b564925fbfad30551ae6c3e52bfa- Signature
ed25519:064cfddfe3f229e66ae68eb4e49679431e880c51110d83383986a73468378f9299c2127c02ee022fa06eb47048a9ab70188d3c51f4c72df475f4e598bcbe8c0b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast