Task

Mail Server

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.

Email Verifier & Validator x402 REST usage

Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admi...

email-verifier.underscoredone.com Comms & Messaging 5 calls / 30d checked 2026-10-26

0.01 USDC per call per call

DNS A Record Lookup x402 REST usage

DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.

dns.use.x402atlas.com Geo & Maps 10 calls / 30d checked 2026-10-26

0.005 USDC per call per call

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