How to identify TXT record conflicts?

Finding TXT record conflicts:

Query all TXT records:

dig TXT yourdomain.com

Lists all TXT records at that name.

Common conflicts:

Multiple SPF records (only one allowed, causes permerror)

Multiple DMARC records at _dmarc

Duplicate verification strings

How they occur:

Adding new SPF instead of editing existing

Multiple people managing DNS without coordination

Leftover records from old services

Resolution:

Merge multiple SPF into one record

Remove obsolete records

Document which records serve which purpose

Conflicting documents cause processing failure. Consolidate and clarify the registry.