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welltower.com

Email infrastructure report · Last checked

Summary

welltower.com uses Mimecast for email and has SPF and DMARC configured. It is not catch-all.

Mail provider

ProviderMimecast security-gateway
Primary MXus-smtp-inbound-1.mimecast.com

MX records

PriorityHostnameIPs
5us-smtp-inbound-1.mimecast.com170.10.132.221, 170.10.128.221, 170.10.128.242, 170.10.132.242, 170.10.132.141, 170.10.128.141
5us-smtp-inbound-2.mimecast.com170.10.132.221, 170.10.128.242, 170.10.132.141, 170.10.128.141, 170.10.132.242, 170.10.128.221

Authentication

SPF✓ Present ~all
DKIM? Not detected via common selectors
DMARC✓ Present p=none
Raw SPF record
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.ultipro.com include:_spf.sendergen.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com ~all
Raw DMARC record
v=DMARC1; p=none; rua=mailto:36e7308deee6072@rep.dmarcanalyzer.com; ruf=mailto:36e7308deee6072@for.dmarcanalyzer.com; fo=1;

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response1951ms
SMTP banner220 us-smtp-inbound-1.mimecast.com ESMTP; Wed, 29 Jul 2026 23:10:22 -0400

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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