MxToolbox

Developer toolsAPI key

MxToolbox runs DNS and email diagnostics. Look up DNS, MX, SPF, DKIM, DMARC, BIMI and MTA-STS records, check blacklists, and test HTTP, SMTP and ping.

Enable MxToolbox Read the guide

11 actions

Action	Effect	Data handled
mx_toolbox_lookup_dnsPerform a comprehensive DNS lookup for a domain and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_mxLook up MX records for a domain and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_dkimLook up one DKIM record and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_dmarcLook up the DMARC record for a domain and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_spfLook up the SPF record for a domain and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_blacklistCheck whether a domain or IP is listed on blacklists and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_httpRun an HTTP lookup for a domain and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_smtpRun an SMTP lookup for a domain and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_pingPing a domain or IP and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_mta_sts_recordLook up the MTA-STS record for a domain and return the official MxToolbox response payload	read	Personal data
mx_toolbox_lookup_bimi_recordLook up the BIMI record for a domain and return the official MxToolbox response payload	read	Personal data

Sign-in

Method: API key
Multiple accounts: Supported

Also included

Proxy for any MxToolbox endpoint
Available over MCP
Several accounts per customer

dexby.createSession({
  userId: customer.id,
  connectors: ['mx_toolbox']
})