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yahoo.com.tw

Email infrastructure report · Last checked

Summary

yahoo.com.tw uses Yahoo Mail for email and has SPF and DMARC configured. It is a catch-all domain.

Mail provider

ProviderYahoo Mail free
Primary MXmx-tw.mail.gm0.yahoodns.net

MX records

PriorityHostnameIPs
10mx-tw.mail.gm0.yahoodns.net106.10.248.74, 106.10.248.73

Authentication

SPF✓ Present
DKIM? Not detected via common selectors
DMARC✓ Present p=reject
Raw SPF record
v=spf1 redirect=_spf.mail.yahoo.com
Raw DMARC record
v=DMARC1; p=reject; pct=100; rua=mailto:d@rua.agari.com; ruf=mailto:d@ruf.agari.com;

Email behavior

Catch-all✓ Yes
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response810ms
SMTP banner220 mtaproxy101.free.mail.sg3.yahoo.com ESMTP ready

What this means

This domain is missing DKIM, which weakens its protection against email spoofing. Adding this record would improve deliverability and reduce the risk of impersonation.

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curl https://api.checkmail.dev/v1/verify \
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