DOMAINS CHANGES SERVICES CERTS API

zcu.cz

Observed 2026-06-14T20:29:09.089Z (18h ago). Every field below was attested with an Ed25519 signature at scan time.

Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
81085f22-dc2e-43ff-8f81-a18718eb3072
Output Hash
8a840e9661743b4baa78d010620c20ee50eef2cb517ed89a9c74d03aa38a3ee6
Signature
ed25519:2dd7771cd342d049dc82bcf98f12a9f5d36aac036330f5d50a7601d0f386d8c71846aa98ef3b39116e3e86c0a60a3a23bf16cb6eb00df2656736dbdaa8752c07
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
Verify this in your browser

DNS Records

A 1

  • 147.228.6.224

AAAA 1

  • 2001:718:1801:1058::1:102

MX 1

  • {"priority":10,"exchange":"fred.zcu.cz"}

TXT 4

  • MS=ms26894334
  • v=spf1 mx ip4:147.228.0.0/16 ip6:2001:718:1801::/48 -all
  • v=DMARC1; p=none; rua=mailto:dmarc-rua@zcu.cz
  • v=DNSSEC1; (detected)

NS 3

  • hera.zcu.cz
  • erebos.zcu.cz
  • nsa.ces.net

SOA 1

  • {"mname":"hera.zcu.cz","rname":"hostmaster.zcu.cz","serial":2026061418}

TLS Certificates (0)

None.

Subdomains (13)