Task

Mx Record Lookup

2 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.

Resolve DNS records x402 REST usage

Resolve DNS records for a hostname — A, AAAA, CNAME, MX, TXT, NS, SOA, CAA or SRV. NXDOMAIN or an absent record type returns an empty record set.

dns.openverbs.com Web & Scraping 2 calls / 30d checked 2026-10-26

0.006 USDC per call per call

Validate email x402 REST usage

Validate an email address — syntax, MX/A deliverability lookup, and disposable / role-based address detection. No mailbox probing.

email.openverbs.com Comms & Messaging 1 calls / 30d checked 2026-10-26

0.006 USDC per call per call

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