indexo.dev

fruko.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP 200 1245 ms crawled 2026-05-30

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 95/100 weak security headers

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mail.fruko.cz
  • 20 mail2.fruko.cz
TXT
  • _9v81323w5e0pnykgyw2wkdwsxu6cs9n
Verified for
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx a:debian.fruko.cz a:mail.fruko.cz include:spf.protection.outlook.com ip4:178.23.216.216 include:spf.smartemailing.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc+677311@smartemailing.cz; fo=1
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAogSA6ls6ztrMK1GsSInoCUCfZ08AmD8tKS5ImlIfqGLeS7BkCH8Wu+ApfUkMe7KxUNKpHd6x1uZomY…
  • dkim: v=DKIM1;k=rsa;t=s;s=email;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA43GhlYG3Af9r2JGjNg5eKub9NwYERCXps8epSWOZnkUjGzdeMiQH8hLkNqvz2VSAC/7Y…
selectors probed

Certificate (current)

R13
from 2026-05-18 to 2026-08-16
Expires in 77 days

Full certificate history on crt.sh ↗

Linked from (1)