Alternatives to intoDNS

A free web tool that checks a domain's DNS and mail server health and configuration. The listings below can replace it for an important use case. Each note says what changes if you switch.

  • intoDNS

    A free web tool that checks a domain's DNS and mail server health and configuration.

    FreeProprietaryWeb

Replacements

Listings that take over the same core job as intoDNS.

  • DNSsy

    A free website that tests a domain's DNS health and offers live DNS, reverse, WHOIS and ping lookups.

    FreeProprietaryWeb

    DNSsy also produces a DNS health report with recommendations and adds live lookups that bypass caches, plus WHOIS and ping tools.

  • Zonemaster

    An open-source DNS validation tool that checks a domain's delegation and zone for configuration errors.

    FreeOpen sourceWebSelf-hosted

    Zonemaster is open source, tests the full delegation path including DNSSEC and can run on your own servers, but skips mail server checks.

  • MXToolbox

    A web-based suite of DNS, MX, SPF, DMARC and blacklist lookups for diagnosing email delivery.

    FreemiumProprietaryWeb

    MXToolbox offers many separate DNS, MX, SPF and blacklist checks instead of one combined DNS and mail report.

  • ViewDNS.info

    A web collection of more than 20 DNS, IP and domain lookup tools, with a paid API.

    FreemiumProprietaryWeb

    ViewDNS.info provides more than 20 individual DNS, IP and WHOIS lookup tools and a paid API rather than a single health report.

Also worth comparing

These listings name intoDNS as their own alternative, so the relationship runs both ways.

  • DNSChecker

    A web tool that checks DNS propagation by querying public resolvers in many countries.

    FreeProprietaryWeb

    intoDNS gives a single health report on DNS and mail servers with fix suggestions, but has no propagation view or monitoring.

Similar software

Related functionality, not a direct replacement.