DNS Tools
AAAA Record Lookup
Lookup IPv6 AAAA records for a domain and review any published IPv6 destinations.
Lookup type
AAAA / IPv6
Best for
Modern DNS checks
Output
IPv6 addresses
On This Page
DNS Tools
Lookup IPv6 addresses
Check whether a hostname publishes IPv6 AAAA records and review the resolved addresses.
What You Get
Built for deliverability and integration work
IPv6-aware diagnostics
Review whether a hostname already publishes IPv6 endpoints before network or application changes.
Useful for parity checks
Compare A and AAAA answers when verifying full dual-stack DNS readiness.
Mail-adjacent visibility
Helpful when mail-related hosts or app surfaces publish IPv6 alongside other DNS records.
FAQ
AAAA Record Lookup questions
What is an AAAA record?
An AAAA record maps a hostname to an IPv6 address.
Is IPv6 required for email deliverability?
Not always, but many teams still check IPv6 publication when auditing domain infrastructure.
Can a hostname publish both A and AAAA records?
Yes. That is normal for dual-stack services.
Next Step
Start free, then wire NexMailPro into your stack
Use the free tool for manual checks, then move into the REST API, JavaScript SDK, PHP SDK, Laravel package, or WordPress plugin when you are ready to automate.