Direct answer

A DNS AAAA record maps a hostname to an IPv6 address. It is useful only when the server has a reachable IPv6 listener and firewall route.

Recommended procedure

  1. Confirm the server host has a usable globally routed IPv6 address, not a link-local fe80:: address.
  2. Add an AAAA record for a hostname such as play.example.com pointing to that address.
  3. Allow the appropriate Minecraft Java TCP port in the IPv6 firewall and ensure the game process listens on the correct interface.
  4. Keep a working IPv4 A record when serving players without reliable IPv6.

Why this matters

IPv6 generally does not use the same IPv4 port-forwarding mechanism, but inbound packets can still be blocked by router or host firewalls. DNS record existence does not prove the service is reachable.

How to verify the result

Use dig AAAA play.example.com to confirm DNS and attempt a connection from an IPv6-capable external network.

Version and compatibility notes

Never publish a temporary IPv6 address that may rotate unexpectedly without DDNS or stable address management.

Related topic: How to Point a Domain to a Minecraft Server. Compare the two guides when choosing the right diagnostic or configuration step.

Official references

These sources were checked for the current MSH revision. Version-sensitive details should always be confirmed against the project documentation for the release you run.

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