Network & DNS Tools
Free online network tools — run DNS lookups, check SPF and DMARC records for email deliverability, and parse URLs into their component parts.
3 tools · free · no sign-up
DNS Lookup
Resolve A, AAAA, MX, TXT & CNAME via DoH
SPF / DMARC Checker
Validate mail authentication policy via DNS
URL Parser
Break a URL into protocol, host, path, query & hash