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A & AAAA Lookup

See IPv4 and IPv6 addresses for a domain and its www host.

[ About this tool ]

This A and AAAA lookup resolves the IPv4 and IPv6 addresses for a domain and its www host, shows TTL and flags private IPs or missing IPv6.

How to read the results

  • ›A records hold IPv4 addresses, AAAA records hold IPv6.
  • ›Private IPs (10.x, 192.168.x) should never be in public DNS.
  • ›Dual-stack hosts are reachable over both protocols.

Frequently asked questions

What is the difference between A and AAAA records?

An A record maps a name to an IPv4 address; an AAAA record maps it to an IPv6 address.

Learn more in our guide: What is Email Authentication? SPF, DKIM and DMARC Explained

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