CONTINUOUS INTERNET TELEMETRY24H DRIFT167 material changesacross 120 domains · +21 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,504 curated domains not answering+170 vs yesterdayERRORS29,701 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED87,849 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)24H DRIFT167 material changesacross 120 domains · +21 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgCERT DRIFT1 domains switched issuing CA24hNOW4,504 curated domains not answering+170 vs yesterdayERRORS29,701 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED87,849 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brAll nameservers removed (domain is dark)

forpsi.cz

Observed Jul 18, 2026, 13:03 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Secured byLet's Encrypt
IPv6 · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat forpsi.cz actually stands on - every host below is a signed observation
forpsi.cz
A / AAAA
81.2.196.1712001:15e8:110:7d00::718
Cloudflareserves the site
NS
ns.forpsi.czns.forpsi.itns.forpsi.net
forpsi.cz + forpsi.it + moreanswers its DNS
MX
mx.forpsi.com
forpsi.comreceives its email
TLS
forpsi.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 81.2.196.171

AAAA 1

  • 2001:15e8:110:7d00::718

MX 1

  • 10mx.forpsi.com

TXT 5

  • v=spf1 mx ip4:81.2.193.0/24 ip4:81.2.194.0/23 ip4:81.2.196.0/24 ip4:64.99.180.0/26 -all
  • v=spf1 mx ip4:81.2.193.0/24 ip4:81.2.194.0/23 ip4:81.2.196.0/24 ip4:64.99.180.0/26 -all
  • v=spf1 mx ip4:81.2.193.0/24 ip4:81.2.194.0/23 ip4:81.2.196.0/24 ip4:64.99.180.0/26 -all
  • v=spf1 mx ip4:81.2.193.0/24 ip4:81.2.194.0/23 ip4:81.2.196.0/24 ip4:64.99.180.0/26 -all
  • v=spf1 mx ip4:81.2.193.0/24 ip4:81.2.194.0/23 ip4:81.2.196.0/24 ip4:64.99.180.0/26 -all

NS 3

  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

SOA 1

  • ns.forpsi.net admin.forpsi.net

TLS Certificates (4)

Common NameIssuerExpires
forpsi.cz C=US, O=Let's Encrypt, CN=YE1 Sun, 20 Sep 2026 20:59:14 +0000
YE1 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 (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 forpsi.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
718933cc-fe7d-4a77-8646-41b9d04732a1
Output Hash
9307573c70388a9a89b9a947ef9a1490a0ff8f8a47bd0a3329f9490e55dc22db
Signature
ed25519:944672b5dc6cb5134f824c5eea141fba80a8b30b0c84bd618590fd01d256c5942f9874301738fe9b7cb1ea15e234ac3fdb0c555ab51df0908626df931186550e
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser