indexo.dev

123design.cz

.cz crawl

First seen 2026-05-20 · Last seen 2026-06-02 · ok HTTP/1.1 200 278 ms crawled 2026-05-27

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
123 DESIGN
Language
cs

Technology

CDN
Vercel
jQuery
3.5.1

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×3
  • code.jquery.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 10 mail.123design.cz

Email authentication strong

SPF
v=spf1 a mx ip4:81.91.92.244 include:_spf.web4u.cz -all
strict (-all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-29 to 2026-07-28
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.123design.cz/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Linked from (7)