Growth · alternatives · 2026
24 alternatives to CaptainDNS
DNS management, diagnostics & monitoring in one platform.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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Tired of companies snooping through your DNS traffic? Don't you wish you could get advertisements with your DNS records? Today we're introducing the innovative, privacy-focused, ad-supported DNS resolver - DN$! Traditional DNS resolvers provided by your internet service provider, cloudflare, or google could be tracking your internet activity and selling it to third-party data vendors. We at DN$ want to fix that and cut out these nefarious actors (until we've amassed a critical number of users to exploit). In order to support such a radically new business model, our service needs to serve…
2024 · github.com · its alternatives →
- 3WD
2020 · which.nameserve.rs · its alternatives →
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Verify your DMARC, DKIM, and SPF settings with our free checker. Prevent bad actors from impersonating your domain and improve email deliverability.
2024 · dmarcchecker.app · its alternatives →
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Kit.domains▲198Hello Hacker News community, We are excited to announce the launch of KIT.DOMAINS, our new tool designed to simplify the management and monitoring of domains. KIT DOMAINS is a convenient and reliable solution for tracking the status of your domains and SSL certificates. With KIT DOMAINS, you will receive timely notifications about expirations and emerging issues, ensuring your sites remain operational and secure. Key features: - Expiration Tracking: Monitor the expiration dates of your domains to prevent accidental lapses. - SSL Certificate Monitoring: Keep your SSL certificates up-to-date…
2024 · kit.domains · its alternatives →
- 6SA
2021 · sirendns.com · its alternatives →
- 7DD
2013 · samarudge.github.io · its alternatives →
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Your All-in-One DNS & Domain Diagnostic Toolkit
Aug 2026 · dnsscouter.xyz · its alternatives →
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Get alerted the moment your DMARC, SPF, or DKIM breaks
Jul 2026 · emailposture.com · its alternatives →
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Infraova▲7Monitor and secure your email domains, campaigns, and client
Jul 2026 · infraova.com · its alternatives →
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📎169 free DNS, email, TLS diagnostics in one place + more!
Jul 2026 · bypassed.me · its alternatives →
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DNS record monitoring for $1/domain/month
Jun 2026 · onedollardns.com · its alternatives →
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Scan your domain for DMARC, SPF, DKIM, BIMI, TLS-RPT, and MTA-STS records and improvement advise.
May 2026 · dmarcdefender.io · its alternatives →
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Free diagnostic tools for DNS, email, and network security.
Apr 2026 · its alternatives →
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Detect domain security issues before they hurt your business
May 2026 · domainscan.tools · its alternatives →
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Monitor DNS queries by host processes using eBPF! Contribute to furkanonder/DnsTrace development by creating an account on GitHub.
2024 · github.com · its alternatives →
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Instant domain security scanner: SPF, DKIM, DMARC & more
Sep 2026 · domsechq.com · its alternatives →
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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 · its alternatives →
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A high-performance DNS stub resolver for bulk lookups and reconnaissance (subdomain enumeration) - blechschmidt/massdns
2016 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →