Alternatives

Products that do what GuardHound does

One score. Nine checks. Zero guesswork on domain security.

1. 1
   DomainWatch▲351

   Domain Monitoring Made Easy

   2018

2. 2
   Domain Watchdog▲3

   Catch every client domain problem before it costs you

   Jul 2026 · domainwatchdog.app

3. 3
   Domain Monitor▲69

   The fastest all-in-one domain & website monitoring tool

   2022

4. 4
   Bulk Domain Authority Checker▲55

   Check up to 50 urls at once

   2024

5. 5
   GuardScan, Free Website Security Scanner▲2

   Scan any website for security issues in 10 seconds. Free.

   Feb 2026 · guardscan.dev

6. 6
   SecurityStatus▲1

   Know your security score before attackers do.

   Mar 2026 · securitystatus.io

7. 7
   SecuriScan▲9

   Scan any website for security flaws in one click

   Nov 2025

8. 8
   KIT.domains▲28

   Domain infrastructure monitoring across all registrars

   Mar 2026 · kit.domains

9. 9
   OSINTeasy – Domain Security Workspace▲3

   Everything the internet sees about your domains

   May 2026 · osinteasy.com

10. 10
    LinkGuard ▲6

    A secure link shortener with nightly phishing/malware checks

    Nov 2025

11. 11
    CheckCyber▲4

    Scan any website for 24 security flaws in seconds

    Jul 2026 · checkcyber.fr

12. 12WF
    Watch/filter new domains from certificate transparency logs▲7

    This can be used to find phishing domains or domains matching any pattern you want if you select "custom filter." You can also connect over WebSocket at /ws and use any programming language you want. There may be duplicates because some domains are published in multiple logs. I get data from all of the logs currently included with Chrome, a list of which is available here: https://github.com/google/certificate-transparency-community....

    2024 · firehose.lol

13. 13
    Domain Verity - Domain Monitoring▲2

    Continuous Security Monitoring for Your Domains

    Jun 2026 · domainverity.com

14. 14
    DomainOptic - Ship fast, stay secure▲2

    Security audit for indie builders - ship fast, stay secure

    Dec 2025

15. 15
    Canopy Guard▲1

    One scan. 47 signals. SEO to security. 15 seconds, free.

    20d ago

16. 16
    CheckServer – Domain health monitoring▲1

    Monitor your domain every 5 minutes for free.

    Feb 2026 · check-server.iqtechnology.io

17. 17
    Domainwarden▲7

    Stay on top of your domains with DNS, RDAP & SSL monitoring.

    Oct 2025

18. 18
    PulseShield▲2

    Free website security scanner 20+ checks, instant PDF report

    May 2026 · pulseshield.co.uk

19. 19
    Secuora▲3

    DMARC, SPF & sSecurity CHECKS for any domain.

    Apr 2026 · secuora.net

20. 20
    DomainOptic: The All-in-One Toolkit▲2

    Domain availability + security: DNS, SSL, headers, audits

    Dec 2025

21. 21
    Infraova▲7

    Monitor and secure your email domains, campaigns, and client

    Jul 2026 · infraova.com

22. 22OD
    Open database tracking 77K public DNS servers every 10 minutes▲7

    Hey HN! We built DNS Directory (https://dnsdirectory.com), a free, searchable database of public DNS servers with live monitoring every 10 minutes. We needed to find an up-to-date list of DNS servers used by carriers around the world for a proxy fingerprinting / web-scraping project but we were shocked to find that it didn’t exist so we built it ourselves in an internal Hackathon We’re adding more features but so far we: Test 77K+ servers every ~10 minutes Allow filtering by uptime, location, security features (ad blocking, malware protection, DNSSEC) Show info on IPv6…

    Dec 2025 · dnsdirectory.com

23. 23
    SecureWatch▲4

    Website security scanner — 60 seconds, 75+ tests + features

    Jul 2026 · securewatchonline.com

24. 24
    TLSguard — Security Audits for SaaS▲6

    Affordable security audits for early-stage SaaS founders

    Jul 2026 · tlsguard.tech

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