dubm.de
Observed Jul 27, 2026, 15:19 UTC (5d 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
4 subdomains · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dubm.de actually stands on - every host below is a signed observation
dubm.de
A / AAAA
92.205.12.15
unattributedserves the site
NS
ns77.domaincontrol.comns78.domaincontrol.com
domaincontrol.comanswers its DNS
MX
dubm-de.mail.protection.outlook.com
Microsoft 365receives its email
TLS
dubm.de
Let's Encryptissued its certificate
DNS Records
A 1
92.205.12.15
MX 1
0dubm-de.mail.protection.outlook.com
TXT 2
v=spf1 include:spf.protection.outlook.com -allapple-domain-verification=no1vTIwDUGwyDesT
NS 2
ns77.domaincontrol.comns78.domaincontrol.com
SOA 1
ns77.domaincontrol.com dns.jomax.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
dubm.de |
C=US, O=Let's Encrypt, CN=YR1 | Sat, 19 Sep 2026 17:28:34 +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 (4)
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_b42d1904f0f05c6a- Output Hash
4ba1195bce66d33314bd4ca60a60b4c9951ac97601aca9889486ccf6677053a2- Signature
ed25519:d4ff485208337c0c63d7b7761755345722ae49f79a5f5b38b4a1bc10382a2cb3b0aa738ceae269cebe26124493e54c0d859112fa656638c2f61cd2fe58a10406- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast