Check DNS delegation chain integrity, nameserver consistency, SOA records, and DNSSEC configuration. Diagnose why DNS changes might not be propagating.

Understand what the mxio Domain Health Check measures across SPF, DKIM, DMARC, MX, and DNS delegation — and how to interpret your health score.

Look up NS records to see which nameservers are authoritative for a domain. Verify DNS delegation and diagnose propagation issues.