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ciena.com

Email infrastructure report · Last checked

Summary

ciena.com uses Proofpoint for email and has SPF, DKIM, and DMARC configured. It is a catch-all domain.

Mail provider

ProviderProofpoint security-gateway
Primary MXmxb-00103a01.gslb.pphosted.com

MX records

PriorityHostnameIPs
5mxb-00103a01.gslb.pphosted.com67.231.152.227
5mxa-00103a01.gslb.pphosted.com67.231.144.234

Authentication

SPF✓ Present ~all
DKIM✓ Found (selectors: k1)
DMARC✓ Present p=reject
Raw SPF record
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
Raw DMARC record
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

Email behavior

Catch-all✓ Yes
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response317ms
SMTP banner220 mx0b-00103a01.pphosted.com ESMTP mfa-m0002317

What this means

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

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