5 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / ant...
Site snapshot (SEO + security + tech + email): All four quick checks in one call for a website: on-page SEO score and issues, security headers/TLS grade, tech stack, and the domain's SPF/DKIM/DMARC email authentication....
WHOIS Lookup API. Retrieve domain registration data including registrar, WHOIS server, creation date, expiration date, updated date, nameservers, domain status, and privacy/redaction signals. Useful for agents, developer...
DNS lookup (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA): Live DNS lookup for any public host name: one record type or ALL (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA) in one call, with NXDOMAIN detection and a flag for private add...
Check a UUID: send a string and get whether it is a valid UUID plus its version and variant. $0.001 USDC per call on Base.