ans.cz

.cz dns crawl

First seen 2026-05-22 · Last seen 2026-05-30 · ok HTTP/1.1 200 3164 ms crawled 2026-05-28

CZ · 193.0.231.55 · AS15380 Air Navigation Services of the Czech Republic, state enterprise

Reputation 100/100

Classifying

HTML metadata

Title: Air Navigation Services of the Czech Republic
Description: Comprehensive information about the activities, mission and contacts of the Czech air traffic control services provider. Regular news from the Czech sky and job opportunities. Commercial and charging policy in the Czech airspace and airports.
Language: en

Technology

Server: Microsoft-IIS

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×3
fonts.gstatic.com×1

Social

Contact

Phone

Registration

Registrar

REG-INTERNET-CZ

Created

1997-09-11

Expires

2030-10-27 1609 days left

Updated

2021-11-09

Name servers

ns2.ans.cz
ns.ans.cz

DNS records live

NS

ns.ans.cz
ns2.ans.cz

MX

10 listonos.ans.cz
30 listonos2.ans.cz

TXT

oBvflpMRGvGSSvXPVOV448cmzIphQwYo0qdjOBvlWipkddWSvFm4VIsULICMpUBVH9pdFGPyJrcFbd7oVlGkEw==

Verified for

Apple
HARICA
Microsoft 365

Email authentication strong

SPF: v=spf1 a:mi.rlp.cz mx include:spf.protection.outlook.com -all
strict (-all)
DMARC: v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; fo=1; rua=mailto:dmarc-report@ans.cz; ruf=mailto:dmarc-report@ans.cz; rf=afrf; pct=100; ri=86400
policy: reject (enforced) · sp=reject
DKIM: no key found at common selectors

Certificate (current)

GeoTrust TLS RSA CA G1

from 2025-10-07 to 2026-11-08

Expires in 160 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://ans.cz/

present

strict-transport-security
content-security-policy
x-frame-options

findings

short HSTS max-age
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
content-security-policy: frame-ancestors 'self'
strict-transport-security: max-age=2592000

Links to (18)

Linked from (1)

rlp.cz×1