duw.com
Observed Aug 1, 2026, 15:47 UTC (1d 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
3 subdomains · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duw.com actually stands on - every host below is a signed observation
duw.com
A / AAAA
5.9.139.20
unattributedserves the site
NS
ns1.hostingwerft.dens2.hostingwerft.dens3.hostingwerft.dens4.hostingwerft.de
hostingwerft.deanswers its DNS
MX
duw-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
duw.com
Let's Encryptissued its certificate
DNS Records
A 1
5.9.139.20
MX 1
10duw-com.mail.protection.outlook.com
TXT 2
v=spf1 include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -allMS=ms73756944
NS 4
ns1.hostingwerft.dens2.hostingwerft.dens3.hostingwerft.dens4.hostingwerft.de
SOA 1
ns1.hostingwerft.de service.hostingwerft.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
duw.com |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 24 Oct 2026 08:27:58 +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 (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_d71bc87d52a10613- Output Hash
dc14d9ec03d37a484307927843d24f71d3feb03fa995e81590cc31d2a5f4a770- Signature
ed25519:b7c1af6c855ea7da1d75ac74eeda2de5c36e7925f2fa67e4f3ec2b262758d845e910f79267d245337786e4e61bc6682385f369e5d0bb8c7b955afc6cc12c3d09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast