indexo.dev

jecha.net

.net crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 599 ms crawled 2026-06-01

CZ · 217.168.216.254 · AS33883 TRIOPTIMUM s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Tomáš Jecha
Description
Personal website of Tomáš Jecha
Language
cs

Technology

Server
openresty
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
Gransy, s.r.o.
Created
2006-12-15
Expires
2026-12-15 195 days left
Updated
2025-11-01
Name servers
  • ns1.ignum.com
  • ns2.ignum.cz

DNS records live

NS
  • ns1.ignum.com
  • ns2.ignum.cz
MX
  • 10 jecha-net.mail.protection.outlook.com

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4Re+wjWCRouC091JdOPsaA5+xvvYyDJ0iGY6+a3ez2E8PgvAI7Em0AgC2CzbSGT0KK6yadvT+Xornio00s…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA08fuQWUvKQmZuEPHXf8HSaZZr+e6sIWidzxhx+GrjrmD5crfnd7noI9vMDxz4Kk5ZRu2AmMxw+Rwhlq+nw…
selectors probed

Certificate (current)

E8
from 2026-04-18 to 2026-07-17
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.jecha.net/

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

Links to (4)

Linked from (1)