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DNS

AAAA records

Point a name at an IPv6 address, alongside or instead of IPv4.

1 min read Updated

An AAAA record does for IPv6 what an A record does for IPv4: it connects a name to an address. IPv6 addresses are longer and written in groups separated by colons, such as 2001:db8::1.

Add an AAAA record

  1. Open the domain's DNS records: Domains → the domain → Manage DNS.
  2. Under Add a record, choose AAAA.
    Adding an AAAA record
  3. Name — empty for the domain itself, or the part in front, such as www.
  4. Value — the server's IPv6 address.
  5. Choose a TTL and click Add record.

Do I need one?

Only if your server has an IPv6 address. Keep the A record as well: visitors whose network supports IPv6 use the AAAA record, and everyone else uses the A record.

Important

Don't add an AAAA record for an address the server doesn't actually answer on. Visitors on IPv6 would try it first and see the site fail to load.

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