indexo.dev

ivb.cz

.cz dns crawl

First seen 2026-05-26 · Last seen 2026-06-02 · ok HTTP/1.1 200 2142 ms crawled 2026-05-31

CZ · 147.231.216.250 · AS2852 CESNET z.s.p.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Ústav biologie obratlovců Akademie věd ČR, v. v. i. – AV ČR, v. v. i.
Language
en-US
Generator
Elementor 4.0.7; features: e_font_icon_svg, additional_custom_breakpoints; settings: css_print_method-external, google_font-enabled, font_display-swap
Canonical
https://www.ivb.cz/
Feeds

Technology

Server
Apache
CMS
WordPress
PHP
8.3.31 security-only
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×2

Social

Contact

Email
Phone

Registration

Registrar
REG-INTERNET-CZ
Created
2001-11-05
Expires
2029-11-06 1252 days left
Updated
2004-11-10
Name servers
  • fox.ivb.cz
  • rhino.cis.vutbr.cz

DNS records live

NS
  • fox.ivb.cz
  • rhino.cis.vutbr.cz
MX
  • 10 ag1.cesnet.cz
  • 10 ag2.cesnet.cz
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 ip4:195.178.81.130 ip6:2001:67c:1222:800::c3b2:430a ip4:195.178.67.10 ip4:185.178.174.244 ip4:78.128.247.94 ip4:78.128.248.245 ip6:2001:718:ff05:208::94 ip6:2001:718:ff05:10b::245 ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; s=email; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMYLh5lWwyoLkjdOFs0HT93zFBowzhdtLfkKOwpfAyMr6oVzmX82G99flDKv0OcVOy5ikkSrGFz…
selectors probed

Certificate (current)

YE2
from 2026-05-29 to 2026-08-27
Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.ivb.cz/

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

Links to (26)

Linked from (2)