1gr.cz

Observed Jul 22, 2026, 01:24 UTC (13h 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

Runs onMAFRA

Secured bySectigo

Also usesGoogle Search Console

tranco_40k

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

INFRASTRUCTURE MAPwhat 1gr.cz actually stands on - every host below is a signed observation

1gr.cz

A / AAAA

185.17.117.38

MAFRAserves the site

ns.mafra.czns.mafracz.netns2.mafra.cz

mafra.cz + mafracz.netanswers its DNS

smtp1.mafra.czsmtp2.mafra.czsmtp3.mafra.czsmtp4.mafra.cz

mafra.czreceives its email

TLS

*.1gr.cz

Sectigo Limitedissued its certificate

DNS Records

A 1

185.17.117.38

MX 4

10smtp1.mafra.cz
10smtp2.mafra.cz
20smtp3.mafra.cz
20smtp4.mafra.cz

TXT 4

MS=ms96293893
v=spf1 include:spf.mafra.cz -all
google-site-verification=hk2FoG24TWPgMfewzsJ_wgLbrOsapcGgEkQmMqYUj4g
v=DMARC1; p=none; rua=mailto:dmarc-rua@mailkit.com;

NS 3

ns.mafra.cz
ns.mafracz.net
ns2.mafra.cz

SOA 1

ns.mafra.cz hostmaster.mafra.cz

CAA 6

iodef "mailto:itcerts@mafra.cz"
issue "amazon.com"
issue "letsencrypt.org"
issue "sectigo.com"
issue "ssl.com"
issuewild "sectigo.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`*.1gr.cz`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV E36	Sat, 25 Jul 2026 23:59:59 +0000
`Sectigo Public Server Authentication CA DV E36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root E46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root E46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust ECC Certification Authority	Mon, 18 Jan 2038 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 1gr.cz. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/1gr.cz">
  <img src="https://domaindrift.io/badge/1gr.cz.svg"
       width="300" height="64" alt="DomainDrift signed observations for 1gr.cz">
</a>

Ed25519 Receipt

Receipt ID: rcpt_86cb6453795d60c9
Output Hash: dd8c29044b1f7b3aa7a745a96af35e4cb61ea52e95ea726dc053af9ba5802d69
Signature: ed25519:3fa7fd37c48337dd20095ea7dc61dda2f0d59e020b6a2825bffbf51303c8410db37fb1ceb0b0fa99fd7857687f6d7e4313605085a40fa5ebcca591c9eca9a006
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/1gr.cz