1gr.cz
Observed 2026-07-17T14:25:15.835962174+00:00 (18h ago). Every field below was attested with an Ed25519 signature at scan time.
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
ns.mafra.czns.mafracz.netns2.mafra.cz
mafra.cz + mafracz.netanswers its DNS
MX
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.cz10smtp2.mafra.cz20smtp3.mafra.cz20smtp4.mafra.cz
TXT 4
MS=ms96293893v=spf1 include:spf.mafra.cz -allgoogle-site-verification=hk2FoG24TWPgMfewzsJ_wgLbrOsapcGgEkQmMqYUj4gv=DMARC1; p=none; rua=mailto:dmarc-rua@mailkit.com;
NS 3
ns.mafra.czns.mafracz.netns2.mafra.cz
SOA 1
ns.mafra.cz hostmaster.mafra.cz
CAA 5
iodef "mailto:itcerts@mafra.cz"issue "amazon.com"issue "letsencrypt.org"issue "sectigo.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 receiptEd25519 Receipt
- Receipt ID
fa2f1a8f-1d97-4632-9d86-2166d59563b1- Output Hash
727217e1217777b5cc1b1affb4a02f7bdbeaf8099b517be7892a533e63775585- Signature
ed25519:a861a09d5454b5c0f8f198afe29c0c472a474404b5961a6ee0f6ffa7bd2ff2dea93db28a66940089bedaa2e0d9f94930d427db5c3e2f7401d64892e025bfd506- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast