duisburg.de
Observed Jul 28, 2026, 11:33 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
Secured bySectigo
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duisburg.de actually stands on - every host below is a signed observation
duisburg.de
A / AAAA
147.28.52.171
unattributedserves the site
NS
ns01.duit.dens02.duit.de
duit.deanswers its DNS
MX
mx231.duit.de
duit.dereceives its email
TLS
duisburg.de
Sectigo Limitedissued its certificate
DNS Records
A 1
147.28.52.171
MX 1
50mx231.duit.de
TXT 3
MS=ms26794831apple-domain-verification=zB8aKQXCCIaixQl8v=DMARC1; p=quarantine; rua=mailto:postmaster@duit.de,mailto:operational-security@stadt-duisburg.de
NS 2
ns01.duit.dens02.duit.de
SOA 1
ns01.duit.de hostmaster.duit.de
CAA 3
iodef "mailto:hostmaster@duit.de"issue "letsencrypt.org"issue "comodoca.com"
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
duisburg.de |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 | Wed, 04 Nov 2026 23:59:59 +0000 |
Sectigo Public Server Authentication CA DV R36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Fri, 21 Mar 2036 23:59:59 +0000 |
Sectigo Public Server Authentication Root R46 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 18 Jan 2038 23:59:59 +0000 |
USERTrust RSA Certification Authority |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 18 Jan 2038 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_e5fecdbbf1e4b291- Output Hash
3bc4ea352cfcd90b9d424244ba26dedef78900bcc068b37cf5985a22712b4666- Signature
ed25519:ce68dc79c6ae63ba141d26cd5a856c94dbe659e5b75df80b3deb7250d2db4f7e68613ec8962c0da029f602430397d8ff6dde642e340b064fe87ca3d26e31a202- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast