dragonboat.cz

Observed Jul 26, 2026, 12:03 UTC (6d 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.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

1 subdomain · domcop

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat dragonboat.cz actually stands on - every host below is a signed observation

dragonboat.cz

A / AAAA

81.0.237.69

unattributedserves the site

ns2.hostis.netns.hostis.net

hostis.netanswers its DNS

mail.dragonboat.czmxbackup.hostis.net

dragonboat.cz + hostis.netreceives its email

TLS

dragonboat.cz

Let's Encryptissued its certificate

DNS Records

A 1

81.0.237.69

MX 2

10mail.dragonboat.cz
20mxbackup.hostis.net

TXT 5

v=spf1 include:spf.hostis.net ~all
v=spf1 include:spf.hostis.net ~all
v=spf1 include:spf.hostis.net ~all
v=spf1 include:spf.hostis.net ~all
v=spf1 include:spf.hostis.net ~all

NS 2

ns2.hostis.net
ns.hostis.net

SOA 1

ns.hostis.net hostis.hostis.net

TLS Certificates (5)

Common Name	Issuer	Expires
`dragonboat.cz`	C=US, O=Let's Encrypt, CN=YE2	Fri, 18 Sep 2026 01:43:57 +0000
`dragonboat.cz`	C=US, O=Let's Encrypt, CN=YE2	Fri, 18 Sep 2026 01:43:57 +0000
`YE2`	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 (1)

www.dragonboat.cz

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for dragonboat.cz. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/dragonboat.cz">
  <img src="https://domaindrift.io/badge/dragonboat.cz.svg"
       width="300" height="64" alt="DomainDrift signed observations for dragonboat.cz">
</a>

Ed25519 Receipt

Receipt ID: rcpt_ae93857516728fc2
Output Hash: 80c70ef3872a75464fa6bb3ac34025f4c0c5f65d8250c2c5099731aeeeaa26e2
Signature: ed25519:ba48edfdabfbbe43f6c9e0dac7f5e79ccd4533a9bf13c702a929fe532589d153410ed0de33311c3e36cdb4e8fa7b2eef7a8314482dd572bdf21e7eed75126f0d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/dragonboat.cz