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AAAA Record Lookup

An AAAA record lookup lists the IPv6 addresses published for a domain.

This check runs on our server. The address you enter is used only for this check and is not stored.
Updated

This check runs on our server. The address you enter is used only for this check and is not stored.

How to use the AAAA Record Lookup

  1. Enter the domain.
  2. Pick a resolver.
  3. Tick the robot check and press Look up.
  4. Read the IPv6 addresses. A name with none gets a plain message, not an error page.

How it works

This check runs on our server. The domain is queried and then discarded.

AAAA is the IPv6 counterpart of A. The query does not return IPv4. A missing AAAA record is common: many zones still publish only A. The tool says so in one sentence instead of showing a blank table and leaving you to guess.

Examples

  • A dual-stack name has both A and AAAA. This page shows only the IPv6 side.
  • An address such as 2606:4700:4700::1111 is one AAAA row, with its own TTL.
  • No AAAA records means the name has no IPv6 address in DNS. The site can still work over IPv4.

Limitations

  • This page does not test whether your own network can route IPv6.
  • A cached AAAA answer can outlive a change you just made, for as long as the old TTL.
  • Compressed and expanded IPv6 text are the same address. The resolver's formatting is what you see.

Frequently asked questions

What is an AAAA record?

It maps a hostname to an IPv6 address. The four A's distinguish it from the older A record, which is IPv4.

Is a site broken if AAAA is missing?

No. Visitors on IPv4 still use the A record. IPv6-only clients need an AAAA record to connect by name.

Why would Google and the authoritative servers differ?

Google may still hold the previous answer. The authoritative servers read the zone file, so they show the current records.

Often used together with the AAAA Record Lookup.

  • DNS Lookup

    One table of A, AAAA, MX, NS, TXT, SOA, and CAA records for a domain.

  • NS Lookup

    Name servers from the NS records, with TTL.