Check Domain DNS Validation Share Tweet Domain DNS Validation Comprehensive DNS audit — fetch and validate A, AAAA, CNAME, MX, NS, TXT and SOA records, detect issues and receive remediation guidance to improve uptime and email deliverability. Domain DNS Validation Domain Validate This tool uses a server-side REST endpoint: /wp-json/tools/v1/dns-records. If your site uses a different route, update the script below accordingly. Checks performed Presence and correctness of A / AAAA records CNAME chain checks and loops MX priorities and mail server reachability Nameserver delegation and consistency (NS) SPF / DKIM / DMARC presence (TXT) SOA serial and TTL sanity checks Back to DNS Tools SPF Record Checker MX Lookup NS Lookup DKIM Checker
