DNS
DNS record lookup, propagation, and email authentication checks
DNS Lookup
Query A, AAAA, MX, TXT, NS, SOA, PTR, and SRV records.
SPF Checker
Parse and validate SPF records for email authentication.
DKIM Checker
Look up DKIM selector records for a domain.
DMARC Checker
Retrieve and parse DMARC policy records.
DNS Propagation
Check DNS record propagation across global resolvers.