indexo.dev

alga.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1078 ms crawled 2026-05-30

CZ · 81.91.84.107 · AS39790 Web4U s.r.o.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Centrum Algatech

Technology

Server
Apache
Stack
PHP

Social

Contact

Email
Phone

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 10 mbu-fs.alga.cz
  • 500 gw-alga.alga.cz
Verified for
  • Google

Email authentication partial

SPF
v=spf1 mx ip4:147.231.249.1 ip4:147.231.249.2 a include:spf.12-mail.cz ip4:81.91.82.83 ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:reporty@12-mail.cz
policy: none (monitoring only)
DKIM
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEytFIwgvuvMyDImIfEvOvFWtuYQczUrRq7JRtfike6ocgLBTmzqG6HLBGsmAYr10g7nNSu+9uy38XPoB4m3…
selectors probed

Certificate (current)

R12
from 2026-03-05 to 2026-06-03
Expires in 2 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.alga.cz/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000; includeSubdomains; preload

Links to (14)

Linked from (1)