for X.25 PSDN address
Quick facts
Purpose
for X.25 PSDN address
X25 is one of the DNS resource record (RR) types defined by RFC 1183.
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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This page provides original, human-reviewed information about DNS records such as X25, the DNS Record Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
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