duh.de
Observed Jul 21, 2026, 17:38 UTC (3d 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 byDigiCert
Also usesGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duh.de actually stands on - every host below is a signed observation
duh.de
A / AAAA
195.34.83.46
unattributedserves the site
NS
grace.ns.cloudflare.comrick.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx01.hornetsecurity.commx02.hornetsecurity.commx03.hornetsecurity.commx04.hornetsecurity.com
hornetsecurity.comreceives its email
TLS
*.duh.de
DigiCert Incissued its certificate
DNS Records
A 1
195.34.83.46
MX 4
10mx01.hornetsecurity.com20mx02.hornetsecurity.com30mx03.hornetsecurity.com40mx04.hornetsecurity.com
TXT 9
Dr+EJbsmNS0n+IxMye4VAPm6CN4xZFW6Lewu36AmZnDeU1umwwdukakp7HbVcEB0vyLDTYxSGUtXnFnLmg7scw==MS=ms32739540MS=ms61489296apple-domain-verification=7Zo7oa5CQXSudGrZgoogle-site-verification=CS_8cWSANYRBR1CMaHv7GPu5X-xhjo4vQ0a2sIgFJb8google-site-verification=PM_xrNi-Seu3oVltZX_ovAWpj4Dg6O77ALVwrSQWT3gkK9qe+Vyy1YUvAmDpT6r/R1C7y8iq9NBteCsrb2sV8H6PLFSQplVKoLHwcRBD61OapxXTBYIt9g0bcZlJZYWZg==v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:emsd1.com include:_spf.duh.de ip4:195.34.83.46 ip4:5.9.249.1 ip4:88.134.178.187 ip4:62.146.106.0/24 ip4:89.22.100.62 ~allv=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc_rua@riz-itmotion.de; fo=1
NS 2
grace.ns.cloudflare.comrick.ns.cloudflare.com
SOA 1
grace.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
*.duh.de |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=Thawte TLS RSA CA G1 | Wed, 13 Jan 2027 23:59:59 +0000 |
Thawte TLS RSA CA G1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Tue, 02 Nov 2027 12:24:25 +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_1f8ce672f0c76cac- Output Hash
ac92e82dbb88df699c19c6bc5ef6f2cdc2cf3a69774bacefd6bd584cf421149c- Signature
ed25519:6df5d52dd9e7440412b3d8b762365216212fa76bf24a2781d80e7214a3117f67d2021cdd5d1f1805bdcfce1ea804328c533e2efd75325d8118132e32916bdb0e- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast