dns
How to Use DNS SRV Records for Service Discovery (SIP, XMPP, LDAP, and More)
DNS SRV records are powerful but often overlooked. They let you point specific services (like SIP, XMPP, or LDAP) to particular servers and ports, enabling failover and load balancing through priority and weight values. This article breaks down SRV record format, real-world use cases, setup tips, and how to verify your records using tools like Whose.Domains’ DNS Analyzer.
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