dyndnsd

Small, extensible DynDNS server for self-hosted dynamic DNS.

Servicefree

dyndnsd.rb is a small, extensible DynDNS-compliant server written in Ruby, supporting IPv4 and IPv6 with a built-in user and hostname database for authentication. Pluggable updater modules push the current hostname-to-IP mapping to an existing DNS server, either via AXFR zone transfers or by writing a BIND-syntax zone file and triggering a reload. It's aimed at self-hosters and sysadmins who want their own dynamic DNS server instead of relying on a third-party provider.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of dyndnsd - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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