aspire.cz

Observed Jul 23, 2026, 12:39 UTC (2d 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

Guarded by a firewall

Email byMicrosoft 365

Secured byLet's Encrypt

tranco

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

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

aspire.cz

A / AAAA

52.17.140.15499.80.245.85176.34.133.76

unattributedserves the site

ns1.regzone.czns1.regzone.dens1.regzone.info

regzone.cz + regzone.de + moreanswers its DNS

aspire-cz.mail.protection.outlook.com

Microsoft 365receives its email

TLS

aspire.cz

Let's Encryptissued its certificate

DNS Records

A 3

52.17.140.154
99.80.245.85
176.34.133.76

MX 1

0aspire-cz.mail.protection.outlook.com

TXT 2

MS=ms47025591
v=spf1 mx ip4:62.44.1.250/32 ip4:194.228.50.122/32 a:smtp.aspire.eu include:spf.protection.outlook.com include:_spf.salesforce.com ~all

NS 3

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

SOA 1

ns1.regzone.cz administrator.czechia.cz

TLS Certificates (3)

Common Name	Issuer	Expires
`aspire.cz`	C=US, O=Let's Encrypt, CN=YR1	Fri, 25 Sep 2026 14:00:42 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

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 aspire.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_97ed5bccc51eaf9d
Output Hash: 4fd727a6c75b6fe1153396f8cb5cbe74b48803242f02cba2583fd18c404d4049
Signature: ed25519:50f78ebc67338cd6b260206462709a2a10689c6fa534249c42737ae4dbbf7429c958fd315893fdb41a756159a7c3298f01de04c08c58faccca8e7e3bb3209a0b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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