danielstrelec.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-31 · ok HTTP/1.1 200 4535 ms crawled 2026-05-29

CZ · 217.11.249.141 · AS15685 CASABLANCA INT a.s.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Daniel Střelec - frontend kodér, WordPress vývojář
Description: Kóduji webové stránky, navrhuji a stavím WordPress řešení, zabývám se zrychlováním a optimalizací webů.
Language: cs

Technology

Server: Apache

Social

Contact

Email

jsem@danielstrelec.cz

Phone

+420602879806

Registration

Registrar

REG-GRANSY

Created

2016-02-10

Expires

2027-02-09 253 days left

Updated

2026-04-16

Name servers

jaguar.blueboard.cz
ns2.blueboard.cz
shinzon.blueboard.cz

DNS records live

NS

ns2.blueboard.cz
shinzon.blueboard.cz

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Email authentication partial

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCm6BP9P9xtwpF62S1t/wLA4esiBGXF7PZx32mHOjkHmui83mPhoo9/gjUPo5JkbJA2WpNknVlZIwmTtnSr+q…

selectors probed

Certificate (current)

from 2026-05-02 to 2026-07-31

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.danielstrelec.cz/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options

findings

missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests;
strict-transport-security: max-age=15768000;