speedlo.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-31 · ok HTTP/1.1 200 1848 ms crawled 2026-05-29

CZ · 185.115.1.79 · AS43541 VSHosting s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
speedlo.cz
Language
cs

Technology

CMS
Gatsby

Registration

Registrar
REG-WEDOS
Created
2018-05-25
Expires
2027-05-24 357 days left
Updated
2025-09-10
Name servers
  • grannbo.ns.cloudflare.com
  • sullivan.ns.cloudflare.com

DNS records live

NS
  • grannbo.ns.cloudflare.com
  • sullivan.ns.cloudflare.com
MX
  • 0 speedlo-cz.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:sparkpostmail.com a mx ip4:77.236.209.251 ip4:77.236.209.250 ip4:77.236.209.253 ip4:77.236.209.254 ip4:77.236.207.202 ip4:77.236.207.203 ip4:77.236.207.205 ip4:93.185.100.150 ip4:81.0.226.136 ip4:185.59.211.215 ptr -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:admin+dmarc@speedlo.cz
policy: quarantine · sp=quarantine
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4eHLG2UygnH3wJzCQKWD+k55IakiYTB0iYMqWoiwYH7+0iSpL1j808P5rOpVhZxupvTsLGPItoXIroQab8o…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwjKf3SmdahBXgnfq4mEyM7ieI8f58usNHzf3yfqJawbmI14/Cg4OpKl+UrQd1wiovB1HnGG7enUAwc…
selectors probed

Certificate (current)

R13
from 2026-04-30 to 2026-07-29
Expires in 59 days

HTTP security headers

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

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

Linked from (4)