MX Lookup Tool - Check your DNS MX Records online - MxToolbox

ABOUT MX LOOKUP This test will list MX records for a domain in priority order. The MX lookup is done directly against the domain's authoritative name server, so changes to MX Records should show up instantly. You can click Diagnostics , which will connect to the mail server, verify reverse DNS records, perform a simple Open Relay check and measure response time performance. You may also check each

[takaesu]

SPFレコードチェックツール

[i97506051502]

MX レコードのルックアップ、SMTP のテストが行える。

[typista]

MX Lookup Tool - Check your DNS MX Records online - MxToolbox

[tyam001]

メールサーバのチェックやSPFレコードのチェックなどをしてくるツール。