DOMAINS CHANGES SERVICES CERTS API

master.cz

Observed 2026-06-15T12:38:03.413Z (4h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
b0842c42-2496-4708-9984-b5ed0641ca85
Output Hash
6534aaeb501d778d5473a3fdb98558771a61af7be60a3335cd70b08f3c497ece
Signature
ed25519:67088ebfa26eaa3fda4ee5e5543a35a6b0c4747e34f0d77a3905163e5aacf48b854924dd17a41ee8e1d578143c450c79a8a1c802633fded570fe76fddc949104
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
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DNS Records

A 1

  • 81.31.45.148

AAAA 1

  • 2a01:430:200:18::3

MX 2

  • {"priority":25,"exchange":"ns3.master.cz"}
  • {"priority":10,"exchange":"mail.master.cz"}

TXT 8

  • v=spf1 mx ip6:2a01:430:100:5c::2 a:d24.westmaster.com ip4:185.58.41.176 ip4:77.93.193.48 a:cis.masterdc.com a:d4023.masterinter.net a:cloud-2123.masterinter.net ip4:81.31.45.148 ip4:185.58.42.235 ip4:89.185.237.62 include:spf.protection.outlook.com a:mailing.master.cz ~all
  • ahrefs-site-verification_883274841276f4db6957d3bf1dff5ccbf7aa74c716af02625ba5158800538037
  • MS=07A1C78FD7087B45AA9D90A4F11B567B29AC9E9D
  • google-site-verification=uWFno1EFZ2n7A5IXU2WuIdPFXjf8_gljzFe1RRnIDKY
  • brevo-code:f376c48802e5709dff3593087c019f90
  • v=DMARC1; p=reject; rua=mailto:dmarc-reports@master.cz
  • v=STSv1; id=169053306248Z;
  • v=DNSSEC1; (detected)

NS 3

  • ns2.master.cz
  • ns1.master.cz
  • ns3.master.cz

SOA 1

  • {"mname":"ns1.master.cz","rname":"noc.master.cz","serial":2026060373}

CAA 4

  • {"flags":0,"tag":"issue","value":"digicert.com"}
  • {"flags":0,"tag":"issue","value":"letsencrypt.org"}
  • {"flags":0,"tag":"issue","value":"certum.pl"}
  • {"flags":0,"tag":"iodef","value":"mailto:support@master.cz"}

TLS Certificates (0)

None.

Subdomains (12)