zfcf.de
Observed Jul 25, 2026, 08:09 UTC (8d 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
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zfcf.de actually stands on - every host below is a signed observation
zfcf.de
A / AAAA
194.163.149.238
unattributedserves the site
NS
ns4.febas.dens2.febas.dens1.febas.dens3.febas.de
febas.deanswers its DNS
MX
mail.febas.net
febas.netreceives its email
TLS
zfcf.de
Let's Encryptissued its certificate
DNS Records
A 1
194.163.149.238
MX 1
10mail.febas.net
TXT 1
v=spf1 a mx include:spf.febas.net ~all
NS 4
ns4.febas.dens2.febas.dens1.febas.dens3.febas.de
SOA 1
ns1.febas.de info.febas.de
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
zfcf.de |
C=US, O=Let's Encrypt, CN=YE2 | Wed, 09 Sep 2026 13:14:39 +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 (0)
None observed.
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_2cdd560dad069519- Output Hash
53d2defe24fc23c25f0503542ca6f9cb5b701cec7536aafced080f6a0b3c1ad7- Signature
ed25519:94832fd023285e40d123f1eb9e1dc05ec0fee7a653eb24b908261bb85a6c7c4104973aef599dddbbd88ec4ded5c0cd6fd22c35430709146008530ae17a857c08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast