MX Lookup API
Pricing
$1.04 / 1,000 domain checkeds
Go to Apify Store
MX Lookup API
Look up MX (Mail Exchange) DNS records for any domain. Verify email server configuration, check mail routing, and validate domain email deliverability.
MX Lookup API
Pricing
$1.04 / 1,000 domain checkeds
Look up MX (Mail Exchange) DNS records for any domain. Verify email server configuration, check mail routing, and validate domain email deliverability.
You can access the MX Lookup API programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.
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You may also provide email addresses — the domain will be extracted automatically. Do not include protocol or path.", "items": { "type": "string" }, "default": [ "gmail.com", "outlook.com", "yahoo.com" ] }, "checkMx": { "title": "Check MX Records", "type": "boolean", "description": "Look up MX records and detect the email provider (Google Workspace, Microsoft 365, Zoho, etc.).", "default": true }, "checkSpf": { "title": "Check SPF Record", "type": "boolean", "description": "Look up and parse SPF (TXT) records. Validates policy, mechanisms, and DNS lookup count.", "default": true }, "checkDkim": { "title": "Check DKIM Records", "type": "boolean", "description": "Check DKIM records for common selectors. Validates key type and key length.", "default": true }, "checkDmarc": { "title": "Check DMARC Record", "type": "boolean", "description": "Look up and parse DMARC policy from _dmarc.<domain>. Validates policy, reporting emails, and alignment mode.", "default": true }, "checkTls": { "title": "Check STARTTLS Support", "type": "boolean", "description": "Test STARTTLS support on the primary MX server (port 25 connection). Adds ~2-3s per domain. Disabled by default.", "default": false }, "dkimSelectors": { "title": "DKIM Selectors to Check", "type": "array", "description": "List of DKIM selectors to probe. Each selector queries {selector}._domainkey.{domain}.", "items": { "type": "string" }, "default": [ "google", "selector1", "selector2", "default", "k1", "k2", "s1", "s2", "dkim", "mail" ] }, "detectProvider": { "title": "Detect Email Provider", "type": "boolean", "description": "Identify the email provider from MX hostnames (Google Workspace, Microsoft 365, Zoho, ProtonMail, Fastmail, etc.).", "default": true }, "includeRawRecords": { "title": "Include Raw DNS Records", "type": "boolean", "description": "Include raw DNS record strings in addition to parsed fields.", "default": false }, "onlyMisconfigured": { "title": "Only Output Misconfigured Domains", "type": "boolean", "description": "Filter output to only include domains that have detected misconfigurations (missing SPF, weak DMARC, no DKIM, etc.).", "default": false }, "maxConcurrency": { "title": "Max Concurrency", "minimum": 1, "maximum": 50, "type": "integer", "description": "Maximum number of concurrent DNS lookups. Higher values are faster but may trigger rate limiting.", "default": 20 }, "dnsTimeout": { "title": "DNS Timeout (ms)", "minimum": 1000, "maximum": 30000, "type": "integer", "description": "Timeout for each DNS lookup in milliseconds.", "default": 5000 }, "dnsServer": { "title": "Custom DNS Server", "type": "string", "description": "Custom DNS resolver IP address. Leave empty to use the system default. 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