Generální finanční ředitelství
F
EU hosting · US email +
services
Our scan on 4 August 2026 found that fs.gov.cz routes email through Microsoft 365, a US-based email security provider.
Infrastructure — scan 2026-08-04
ASN
AS35280
· F5 F5 Networks SARL Unknown
SSL issuer
Thawte TLS RSA CA G1
Email (MX)
Microsoft 365
US
Services (US)
Google Fonts
Google Fonts CDN
Services (EU)
Matomo Analytics
A++ (best)F (worst)
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Change log
No changes detected yet. Monitoring daily.
Methodology note: This report reflects a point-in-time automated scan of
public infrastructure data — DNS MX records, ASN routing via RIPE Stat API, SSL certificate
issuer, and HTML pattern matching against known service signatures. It is not a legal
determination of GDPR compliance or any regulatory obligation. Infrastructure can change at
any time; the grade reflects configuration at scan timestamp only. Scan data is reproducible.
View full methodology →
Reproduce this scan
dig fs.gov.cz MX
dig fs.gov.cz A
curl "https://stat.ripe.net/data/prefix-overview/data.json?resource=159.60.137.30"
openssl s_client -connect fs.gov.cz:443 -showcerts 2>/dev/null | openssl x509 -noout -issuer
Data sources:
RIPE Stat API (ASN lookup)