onyx.cz

.cz dns

First seen 2026-05-28 · Last seen 2026-05-30 · ok HTTP/1.1 200 239 ms crawled 2026-05-30

CZ · 91.228.45.154 · AS197895 ONYX engineering, spol. s r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: ONYX engineering
Language: cs
Generator: Hugo 0.84.0

Technology

Server: Apache
CMS: Hugo 0.84.0
PHP: 7.4.33 end of life

Social

Contact

Phone

Registration

Registrar

REG-GRANSY

Created

1996-08-07

Expires

2026-10-26 147 days left

Updated

2020-11-16

Name servers

ns2.gransy.com
ns3.gransy.com
ns4.gransy.com
ns5.gransy.com
ns.gransy.com

DNS records live

NS

ns.gransy.com
ns2.gransy.com
ns3.gransy.com
ns4.gransy.com
ns5.gransy.com

MX

10 mail.onyx.cz
5 trinity.onyx.cz

TXT

atlassian-sending-domain-verification=b1034586-a93a-4f0e-b4ce-d04f4f98f54a

Verified for

Google

Email authentication partial

SPF

v=spf1 ip4:91.228.45.205 ip6:2a02:7a01::91:228:45:205 ip4:109.238.43.13 ip4:176.98.250.16 ip6:2a01:9422:9404:100::1004 mx ~all

softfail (~all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

default: v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6+OeEvTfEP8zqPzJ7cObm0DebOlXaNxudccIT7tfxeNlBL0AXvysbANZyuWhHQ12CX93A9hmpciKlgf/…

selectors probed

Certificate (current)

R12

from 2026-04-06 to 2026-07-05

Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://onyx.cz/

present

x-frame-options

findings

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

Header values

x-frame-options: ALLOW-FROM https://www.coophorovice.cz/