indexo.dev

b4b-inkasso.com

.com crawl

First seen 2026-05-23 · Last seen 2026-05-31 · ok HTTP/1.1 200 586 ms crawled 2026-05-28

CZ · 81.91.86.33 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Inkaso pohledávek | B4B INKASSO
Language
en

Technology

Server
openresty
jQuery
3.6.0
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • cdn.jsdelivr.net×4
  • cdnjs.cloudflare.com×2
  • fonts.googleapis.com×2
  • code.jquery.com×1
  • fonts.gstatic.com×1
  • www.google.com×1

Contact

Email
Phone

Registration

Registrar
Gransy, s.r.o.
Created
2003-03-04
Expires
2027-03-04 276 days left
Updated
2026-02-09
Name servers
  • ns.web4u.cz
  • ns2.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mx.web4u.cz
TXT
  • MS=D5288836576996C6B2E1C7FDDE3D9C940F87B183
Verified for
  • Google

Email authentication weak

SPF
v=spf1 a mx include:_spf.web4u.cz ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA EV R36
from 2025-07-14 to 2026-07-05
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://b4b-inkasso.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (2)