hhdsoftware.com

.com crawl

First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 2589 ms crawled 2026-05-17

DE · 46.4.88.174 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: HHD Software: Hex Editor, Serial/USB/Network Sniffer, Virtual Serial Port Tools
Description: We are the software development company focused on providing reliable and high-performance solutions for software and hardware developers. For over 20 years we have been offering our customers the best data editing and Serial, USB, Network communications analysis software, as well as advanced virtual serial port tools.
Language: en

Technology

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×2

Contact

Phone

+1 754 802 1092

Registration

Registrar

GoDaddy.com, LLC

Created

2000-05-15

Expires

2027-05-15 359 days left

Updated

2024-05-16

Name servers

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

DNS records live

NS

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

MX

15 mail4.hhdsoftware.com

Email authentication weak

SPF

v=spf1 mx a:mail4.hhdsoftware.com -all

strict (-all)

DMARC

not published

DKIM

dkim: v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKz8xMbxpO0VrGb52h9MAHN6z0v5wJBwfFZk3oFucO/2Nt2gbKIg3NgVKl0mMkuCE8y1+ULE3dBM273…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2026-04-06 to 2026-10-22

Expires in 154 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://hhdsoftware.com/

present

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

findings

short HSTS max-age
CSP allows unsafe inline scripts/styles
missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: img-src 'self' blob: data: https:;default-src 'self' data: https: 'unsafe-inline' 'unsafe-eval'
strict-transport-security: max-age=2592000