CheckMail

jp.nipponsteel.com

Email infrastructure report · Last checked

Summary

jp.nipponsteel.com uses Self-hosted / Custom for email and has SPF, DKIM, and DMARC configured. It is not catch-all.

Mail provider

ProviderSelf-hosted / Custom self-hosted
Primary MXprimary.ap.email.fireeyecloud.com

MX records

PriorityHostnameIPs
0primary.ap.email.fireeyecloud.com3.112.99.2, 3.112.99.1, 3.112.99.0
10alt1.ap.email.fireeyecloud.com3.112.99.0, 3.112.99.1, 3.112.99.2
20alt2.ap.email.fireeyecloud.com3.112.99.0, 3.112.99.1, 3.112.99.2
30alt3.ap.email.fireeyecloud.com3.112.99.0, 3.112.99.1, 3.112.99.2

Authentication

SPF✓ Present ~all
DKIM✓ Found (selectors: selector1, selector2)
DMARC✓ Present p=none
Raw SPF record
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:18.177.4.214 ip4:57.181.214.214 +ip4:61.196.162.0/24 +ip4:211.8.147.128/26 +ip4:160.17.0.0/16 ~all
Raw DMARC record
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc-reports@jp.nipponsteel.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:dmarc-reports@jp.nipponsteel.com;

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response620ms
SMTP banner220 2.0.0 mx.ap.email.fireeyecloud.com ESMTP

What this means

This domain has strong email authentication. Messages claiming to come from @jp.nipponsteel.com can be cryptographically verified by recipients, making spoofing difficult. Deliverability for legitimate mail should be good.

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