mail agent RRs (OBSOLETE - see MX)
Quick facts
Purpose
mail agent RRs (OBSOLETE - see MX)
This record type is marked obsolete by IANA and should not be used in new configuration.
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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