{"resource":"https://api.vextorium.com/v1/email-provider","service":"Vextorium","areas":["enrichment"],"answering":true,"http_status":402,"latency_ms":105,"price_usdc":0.003,"buyers_30d":3,"calls_30d":3,"description":"Detect which email service a domain uses (Google Workspace, Microsoft 365, Zoho, Proton, OVH, IONOS...) from its MX and SPF records, plus corporate spam filters and other senders. For B2B sales and audits.","id":"0343cc9394eb","category":"DNS and domains","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/0343cc9394eb"}