CONTINUOUS INTERNET TELEMETRY24H DRIFT1,745 material changesacross 1,548 domains · +323 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination belregion.ru · -18 vs yesterdayEMAIL DRIFT2 domains switched email providertop destination pphosted.com · -3 vs yesterdayNOW1,005 curated domains not answering+295 vs yesterdayERRORS4,591 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED7,793 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERtiktok.comDMARC enforcement downgraded: p=reject → no DMARC record24H DRIFT1,745 material changesacross 1,548 domains · +323 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination belregion.ru · -18 vs yesterdayEMAIL DRIFT2 domains switched email providertop destination pphosted.com · -3 vs yesterdayNOW1,005 curated domains not answering+295 vs yesterdayERRORS4,591 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED7,793 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERtiktok.comDMARC enforcement downgraded: p=reject → no DMARC record

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.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 5

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

TLS Certificates (3)

Common NameIssuerExpires
*.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.

DomainDrift signed-observation badge for 1gr.cz <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
fa2f1a8f-1d97-4632-9d86-2166d59563b1
Output Hash
727217e1217777b5cc1b1affb4a02f7bdbeaf8099b517be7892a533e63775585
Signature
ed25519:a861a09d5454b5c0f8f198afe29c0c472a474404b5961a6ee0f6ffa7bd2ff2dea93db28a66940089bedaa2e0d9f94930d427db5c3e2f7401d64892e025bfd506
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser