drsc.de
Observed Aug 2, 2026, 17:48 UTC (16h 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
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat drsc.de actually stands on - every host below is a signed observation
drsc.de
A / AAAA
85.13.156.227
unattributedserves the site
NS
ns19.domaincontrol.comns20.domaincontrol.com
domaincontrol.comanswers its DNS
MX
drsc-de.mail.protection.outlook.com
Microsoft 365receives its email
TLS
drsc.de
Let's Encryptissued its certificate
DNS Records
A 1
85.13.156.227
MX 1
10drsc-de.mail.protection.outlook.com
TXT 2
v=spf1 a mx ip4:62.96.86.235 include:spf.protection.outlook.com ~allMS=ms50839728
NS 2
ns19.domaincontrol.comns20.domaincontrol.com
SOA 1
ns19.domaincontrol.com dns.jomax.net
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
drsc.de |
C=US, O=Let's Encrypt, CN=YE2 | Fri, 04 Sep 2026 09:24:10 +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_a784564e2aa40f5e- Output Hash
4213bb373c94420d24290dcfde8040628c945e7137fe665d1da2faa93b3aad8f- Signature
ed25519:1809a690f8e87b35ff1b2feac4f8f7fbe5a543311b6792d8d362dcdb74265f00e487fa1de0257af1f7263d7c268ec648d0b3753efc57f8331ad18cb69b5ca30b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast