tfnet.cz

.cz dns crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 893 ms crawled 2026-05-31

CZ · 46.28.106.38 · AS197019 WEDOS Internet, a.s.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title: TFnet s.r.o. | Rychlý optický internet
Language: cs-CZ
Generator: WordPress 4.9.26

Technology

Server: Apache
CMS: WordPress 4.9.26 legacy (latest 7.0)

Fonts

Google Fonts

Third-party hosts loaded (4)

www.google.com×2
fonts.googleapis.com×1
s.w.org×1
www.stormware.cz×1

Social

Contact

Email

firma@tfnet.cz

Phone

484 350 000774 3

Registration

Registrar

REG-ZONER

Created

2001-10-17

Expires

2026-10-27 148 days left

Updated

2006-09-28

Name servers

ns1.tfnet.cz
ns2.tfnet.cz

DNS records live

NS

ns1.tfnet.cz
ns2.tfnet.cz

MX

10 de99d42cb6fffc42.mx2.emailprofi.seznam.cz
20 de99d42cb6fffc42.mx1.emailprofi.seznam.cz

TXT

v=DKIM1; g=*; k=rsa; t=y p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDwxNhhECq2i8cIEj4S70u4xNrbyg0xCK4IpABd2W65EDGhuHCNUBDQwU2OL7yLco76LYdAqYyeUbaBbhw3UFf/1F/VAcvpiuU1G1Txs7OVaWAqRsqDQMecdqUdQw9v0vgFzeY4LVnWvWaGCpzUabQxX2kuQUHxy4eII3IO7R1BcwIDAQAB

Email authentication weak

SPF: v=spf1 include:spf.seznam.cz ip4:94.127.128.150 ip4:94.127.128.0 ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-14 to 2026-08-12

Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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