DOMAINS CHANGES SERVICES CERTS API

web4u.cz

Observed 2026-06-12T19:28:30.931Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
cc158fe9-594a-4c53-80ed-1ca870b89856
Output Hash
fa818d7a6020836b659515d407bd68712b210d100f9077730291154d3bc25506
Signature
ed25519:202136d01107ade14f49d70c1f7b078fbeff33b18ec4772bf3c1cd04ae22875bd0730bc629dfa5b192f2aa1b3057eedf1a57a8e279dab9d8d7724fdcc4049600
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
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DNS Records

A 1

  • 81.91.86.19

AAAA 1

  • 2001:1568::19

MX 1

  • {"priority":10,"exchange":"mx.web4u.cz"}

TXT 7

  • smv=9d9c9b062c03b840
  • v=spf1 ip4:81.91.87.150 ip4:81.91.87.80 ip4:81.91.87.60 ip4:81.91.87.250 ip4:81.91.87.34/31 ip4:81.91.87.249 ip4:81.91.87.236 ip6:2001:1568:502:1::/64 ip6:2001:1568:502:2::/64 ip6:2001:1568:502:3::/64 ip6:2001:1568::7060 ip6:2001:1568::7236 ip4:77.78.104.121 ip6:2001:1528:137::a include:_spf.jupiter.salesmanago.pl -all
  • MS=0394720CC11BB6E64FFED5064A40D0401C20807E
  • zoho-verification=zb27107936.zmverify.zoho.eu
  • v=DMARC1;p=reject;sp=none;pct=100;adkim=s;aspf=r;rua=mailto:dmarc@web4u.cz;ruf=mailto:ruf@web4u.cz
  • v=DKIM1; (detected)
  • v=DNSSEC1; (detected)

NS 2

  • ns2.web4u.cz
  • ns.web4u.cz

SOA 1

  • {"mname":"ns.web4u.cz","rname":"admin.web4u.cz","serial":2026061100}

CAA 1

  • {"flags":0,"tag":"issue","value":"letsencrypt.org"}

TLS Certificates (0)

None.

Subdomains (16)