Alternatives

Products that do what DomSec HQ does

Instant domain security scanner: SPF, DKIM, DMARC & more

1. 1
   Email Deliverability API & Checker▲2

   Instantly audit SPF, DKIM & DMARC to stop landing in spam.

   26d ago · web-production-80c77.up.railway.app

2. 2GD
   Golang DNS server, including DNSSEC and DNS-over-TLS▲283

   2017 · github.com

3. 3
   Protecta360 - Domain Spoof Test▲1

   Check DMARC, SPF and DKIM in DNS Settings

   29d ago · protecta360.com

4. 4
   MailMedic ‑ Email Health▲1

   Scan your domain's SPF, DKIM and DMARC in seconds

   5d ago · apps.shopify.com

5. 5
   DMARC Digests▲101

   Protect your brand from email scammers.

   2020

6. 6
   DomainWatch▲351

   Domain Monitoring Made Easy

   2018

7. 7
   Otelic▲116

   Affordable hosted Logs & Traces for your app

   2015

8. 8
   MailPosture

   Monitor your email security with SPF, DKIM & DMARC

   29d ago · getmailposture.com

9. 9
   Nivaronix▲2

   Free website security scanner: headers, SSL, DNS, SPF/DMARC

   27d ago · nivaronix.com

10. 10
    Momento▲140

    A powerful platform to help you monitor your domains

    2020

11. 11
    AuditLabHQ▲1

    Find what pushes your emails toward spam

    13d ago · app.auditlabhq.com

12. 12
    domdb▲96

    Park your domain in less than 15 seconds

    2017

13. 13
    Email Deliverability Toolkit▲9

    9 free tools to keep your email out of spam

    9d ago · truelist.io

14. 14
    qsa.sh ▲107

    External security scan of your own IP, in your terminal

    Jul 2026 · qsa.sh

15. 15
    DMARKOFF▲88

    Simplified and total DMARC control

    Apr 2026

16. 16
    DKIMCheck▲2

    Instant Email Deliverability & DNS Health Scanner

    26d ago · dkimcheck.online

17. 17
    Folderly Lens ▲107

    Domain health analysis for high performance email campaigns

    Jul 2026 · lens.folderly.com

18. 18
    Domain Comet▲88

    We monitor your domains, so you don't have to.

    2020

19. 19
    domian.io▲93

    Find and register misspelled domains to safeguard your brand

    2023

20. 20
    1SecMail▲112

    Instant temporary email

    2025

21. 21DD
    Dnsyo – DNS propagation checker▲56

    2013 · samarudge.github.io

22. 22DD
    Domain DMARC Checker▲6

    May 2026 · dmarcdefender.io

23. 23
    Perimeter▲1

    Check your site's TLS, headers, DNS and accessibility

    11d ago · perimeter.getunlogged.com

24. 24LC
    Ldns.com – fast DNS lookups from the URL bar▲7

    I built LDNS because I'm constantly curious about domain names - who owns them, which nameservers they use, how they're configured, and what their DNS records reveal. I wanted a fast, easy way to investigate domains right from my browser without juggling multiple tools. LDNS runs entirely client-side using Cloudflare's DNS over HTTPS. Just type a domain and instantly see: All DNS records with clickable filtering RDAP/WHOIS data with registrar info and expiration dates Email security configuration (SPF, DMARC, MTA-STS, BIMI) Export options (JSON, CSV, BIND zones, PDF reports) Try it at…

    2025 · ldns.com

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