dortmund.de
Observed Jul 24, 2026, 01:51 UTC (7h 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 byLet's Encrypt
Also usesGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dortmund.de actually stands on - every host below is a signed observation
dortmund.de
A / AAAA
128.65.210.87
unattributedserves the site
NS
ns2.dnsmgt.euns1.dnsmgt.net
dnsmgt.eu + dnsmgt.netanswers its DNS
MX
mailin.dokom.net
dokom.netreceives its email
TLS
*.dortmund.de
Let's Encryptissued its certificate
DNS Records
A 1
128.65.210.87
MX 1
10mailin.dokom.net
TXT 3
google-site-verification=lfFma7wpr208i0DtMLwFHVCAybkFqBFOYdCwWC0oZiov=spf1 ip4:85.22.53.144/28 include:_spf.dokom.net ip6:2a03:f580:2:3::/64 ~allv=DMARC1;p=reject;
NS 2
ns2.dnsmgt.euns1.dnsmgt.net
SOA 1
ns-soa.dnsmgt.net hostmaster.dokom21.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.dortmund.de |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 06 Sep 2026 08:21:36 +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 (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_a9f08604ded34377- Output Hash
e93b177353fe33074d5ccf922d041f4a91581d3bb8ebfb2b79d84a4978dbca53- Signature
ed25519:b64bfcacb67ea9d2f16784faacc16b9c0a920aff0f8c91a45ccf6b3bb55548e8774af29ebe31c807251608ffebc0011488a6a96d0b0303e69da94d1fbd83b80d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast