freitag.de
Observed Jul 21, 2026, 16:30 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
Runs onFlying Circus Internet Operations
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat freitag.de actually stands on - every host below is a signed observation
freitag.de
A / AAAA
185.105.252.152a02:248:101:62::1286
Flying Circus Internet Operationsserves the site
NS
ns4.fcio.netns3.fcio.net
fcio.netanswers its DNS
MX
freitag-de.mail.protection.outlook.com
Microsoft 365receives its email
TLS
freitag.de
Let's Encryptissued its certificate
DNS Records
A 1
185.105.252.15
AAAA 1
2a02:248:101:62::1286
MX 1
0freitag-de.mail.protection.outlook.com
TXT 7
v=spf1 ip4:213.61.61.171 include:spf.protection.outlook.com ~allgoogle-site-verification=5s9jzZHvoCpxvOz18hZZg30y0V_syodfwyv7pARWSVAhave-i-been-pwned-verification=af6355d3b6758d2ed22a53eee7ee603egoogle-site-verification=0rj2YqmmTFnFHm4wvj3CEjeWd44sjWQOG0V5_Pj8Ia8google-site-verification=OMGZwKdw0SGQeHS-WIjhdLGWpFwcv0XXqsNIO5VVH_ggoogle-site-verification=18FJF_TGC6jy2e9KULkTr9swgdCBq9YbgcMesPDJVjcv=BIMI1; l=https://www.freitag.de/static/logo.svg;
NS 2
ns4.fcio.netns3.fcio.net
SOA 1
ns3.fcio.net support.flyingcircus.io
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
freitag.de |
C=US, O=Let's Encrypt, CN=YE1 | Sat, 10 Oct 2026 11:23:27 +0000 |
YE1 |
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 (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_79075a4e99a3b1b8- Output Hash
45ff1566e99ad3f71dea9cc377af735e30c48a313fb478578a057b27a9d37ade- Signature
ed25519:30d9922be1fd09383ab07cc7153a7bb490aace74da8c85744ab72560324c3a6828d63c442439f3b5b0650f21dc028a550e85729e727ba51e287634e219b7160b- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast