an EUI-64 address
Quick facts
Purpose
an EUI-64 address
EUI64 is one of the DNS resource record (RR) types defined by RFC 7043.
Example
host.example.com. 3600 IN EUI64 00-00-5e-ef-10-00-00-2a
Related record types
Frequently asked questions
Used for DNS resolution and zone configuration.
In the DNS management panel of your registrar or DNS provider (for example Cloudflare or Route53).
Sources & standards
Updated 2026-09-13
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