Tech Stack
upol.cz
DNS Provider
Not detected
NS: nsa.ces.net
NS: namer2.upol.cz
NS: raven.upol.cz
Email Provider
Self-hosted
MX (priority 12849): dx.spamfree.cz
MX (priority 12817): bx.virusfree.cz
MX (priority 12801): ax.virusfree.cz
MX (priority 12833): cx.spamfree.cz
CDN
Not detected
Hosting
CESNET z.s.p.o.
IP: 158.194.230.160
ASN: AS2852
ASN name: CESNET z.s.p.o.
Web Server
Apache
Server header: Apache
Framework
PHP
X-Powered-By: PHP/7.2.5
Third-Party Verifications
Google Search Console
Detected from TXT records — these indicate the domain owner has verified with the listed service.