regiojet.cz
Observed Jul 29, 2026, 00:01 UTC (1h 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 byGoogle (SPF sender)
Secured byDigiCert
Also usesFacebook/MetaGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat regiojet.cz actually stands on - every host below is a signed observation
regiojet.cz
A / AAAA
185.94.52.33
unattributedserves the site
NS
ns2.sa.czns1.sa.czns3.sa.cz
sa.czanswers its DNS
MX
brn-mx-relay3.sa.czbrn-mx-relay4.sa.cz
Google (SPF sender)receives its email
TLS
*.regiojet.cz
DigiCert Incissued its certificate
DNS Records
A 1
185.94.52.33
MX 2
10brn-mx-relay3.sa.cz20brn-mx-relay4.sa.cz
TXT 9
google-site-verification=YWbhVnNHhg0xSFbFXeQRdvtii0ZbcKlPnm4RNOzcT_Efacebook-domain-verification=pm1anbzhp23ov9nd49rxdnuekpy7wdv=spf1 include:_spf.sa.cz include:_spf.google.com mx -allgoogle-site-verification=bhQG_4W5yfcDuuSlt1OFqNrMvFnW1RTKTudibzhPb0gapple-domain-verification=Kod8s7PNqxgbag7Ngoogle-site-verification=MmhACR7vhyzX2eLF0b7qWLQJgLZN3EY8NDSULyOfxVUgoogle-site-verification=85QlaT6Yghn5JwEfteV9rjAfcPXWf4udKDc0vNEUW9Yanthropic-domain-verification-h9nny3=KsYfRRCR7cRNqWSG6WrkyZ2Qjv=DMARC1; p=quarantine; sp=none; adkim=r; aspf=r; fo=1; rua=mailto:dmarc@studentagency.cz; ruf=mailto:dmarc@studentagency.cz; rf=afrf; pct=100; ri=86400
NS 3
ns2.sa.czns1.sa.czns3.sa.cz
SOA 1
ns1.sa.cz administrator.studentagency.cz
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
*.regiojet.cz |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=RapidSSL TLS RSA CA G1 | Sun, 11 Oct 2026 23:59:59 +0000 |
RapidSSL 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 12:24:33 +0000 |
Subdomains (2)
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_29a9439d78e562c5- Output Hash
befb9ea2a0f59303691cc3c32b650a635a968983aabe6457e15b8cc25a468232- Signature
ed25519:5d9231ec24d7e28925009d9623cd54c1cda476e736627ce751de304915b495ba7e238a42cfb2bdf412bfb2a774ce370cf10d49bd043e239dc792d7df87c3b201- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast