CONTINUOUS INTERNET TELEMETRY24H DRIFT17,546 material changesacross 14,706 domains · 24h to ~2h agoNOW549 curated domains not reachable+47 vs yesterdaySITE ERRORS35,123 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,713 sites429 rate-limit / 403 bot-block, a posture signal

amsp.cz

Observed Jul 28, 2026, 07:09 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.

Up right now
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat amsp.cz actually stands on - every host below is a signed observation
amsp.cz
A / AAAA
178.251.187.312a00:1ed0:45::de
2a00serves the site
NS
ns1.websupport.czns2.websupport.czns3.websupport.eu
websupport.cz + websupport.euanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.amsp.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 178.251.187.31

AAAA 1

  • 2a00:1ed0:45::de

MX 5

  • 1aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 10alt4.aspmx.l.google.com

TXT 4

  • MS=ms91720602
  • google-site-verification=VMLJz7lCbFhHHB9CG1WO3-NSvVt_9j5jAdQTb4Z-VC0
  • v=spf1 ip4:194.145.180.34 include:spf.active24.com include:_spf.google.com include:spf.qmsv.net include:amazonses.com ~all
  • v=DMARC1; p=none

NS 3

  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

SOA 1

  • ns1.websupport.cz admin.websupport.cz

TLS Certificates (3)

Common NameIssuerExpires
www.amsp.cz C=US, O=Let's Encrypt, CN=YR1 Thu, 10 Sep 2026 06:35:36 +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 (1)

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

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

Ed25519 Receipt

Receipt ID
rcpt_54818c5cce02fc44
Output Hash
15f8f3de997c61767ece86544d321d8c3ab6e41b223497ffccb69629ad48da79
Signature
ed25519:99dfae45fc11383ed20657d8f9fb91b8f3da719b96cdf2ac9b1f472c35ba7d34db58f51bbf22dbc651fa927ec5ac79fa8d614994e26817b24cce63ab086c8302
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser