indexo.dev

blackcatsystems.com

.com crawl

First seen 2026-05-10 · Last seen 2026-05-16 · ok HTTP/1.1 200 1861 ms crawled 2026-05-16

US · 216.92.10.68 · AS7859 pair Networks

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Black Cat Systems - Ham Radio and Audio Software
Description
Black Cat Systems - Windows and macOS software, specializing in ham / shortwave radio, audio, and science related programs

Technology

Server
Apache

Third-party hosts loaded (1)

  • m.media-amazon.com×1

Contact

Email
Address
info@blackcatsystems.com

Registration

Registrar
pair Networks, Inc. d/b/a pair Domains
Created
1998-11-17
Expires
2029-11-16 1276 days left
Updated
2026-03-23
Name servers
  • ns0.ns0.com
  • ns89.pair.com

DNS records live

NS
  • ns0.ns0.com
  • ns539.pair.com
MX
  • 50 mailwash58.pair.com

Email authentication weak

SPF
v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a:ussava.pair.com a:mailwash58.pair.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-01-29 to 2027-03-02
Expires in 286 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://blackcatsystems.com/

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

Links to (2)

Linked from (1)