199 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.
Privacy-safe email verification evidence for agents at microprice. Validates syntax and domain mail readiness with live MX/A/AAAA DNS plus SPF and DMARC, role/free-provider/known-disposable/typo signals, a bounded 0-100...
Bulk company lookup: run one tool (tech stack, open jobs, hiring intent, Google Ads or company profile) on many domains with one payment. Step 1 (free): send {tool, domains}; every domain is checked and you get each stat...
CNAME record of mx.<domain>: looks up the mx host under the domain you give (CNAME via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx without enumeratin...
Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus disposable / free-webmail / role-account flags and a deliverability signal. No SMTP probing of individual mailbo...
AI-agent readiness audit, $0.001 USDC per call: How ready is a website for AI agents? Live checks of /llms.txt, robots.txt rules for 12 AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot…), sitemap.xml...
MX record lookup: the mail exchanger hosts for a domain with priorities, the detected mail provider (Google Workspace, Microsoft 365, Zoho, Proton...), null-MX detection, and whether the domain accepts email at all. Emai...
Email provider detection for an address or domain: consumer webmail (Gmail, Outlook.com, Yahoo, iCloud, Proton...) versus business hosting (Google Workspace, Microsoft 365, Zoho, Proofpoint...) from the domain and its MX...