crainsdetroit.com

Valid Email Server
Domain Lookup › crainsdetroit.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
crainsdetroit.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 05:29:41 UTC · ↺ Refresh

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MX Hostnames

  • usb-smtp-inbound-1.mimecast.com
  • usb-smtp-inbound-2.mimecast.com

MX Priorities

  • usb-smtp-inbound-1.mimecast.com: 10
  • usb-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 13.33.67.60 ↩ server-13-33-67-60.jfk50.r.cloudfront.net
  • 13.33.67.5 ↩ server-13-33-67-5.jfk50.r.cloudfront.net
  • 13.33.67.33 ↩ server-13-33-67-33.jfk50.r.cloudfront.net
  • 13.33.67.90 ↩ server-13-33-67-90.jfk50.r.cloudfront.net

Mail Server IPs

  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA ns-1264.awsdns-30.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1264.awsdns-30.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-492.awsdns-61.com
ns-712.awsdns-25.net
ns-1264.awsdns-30.org
ns-1883.awsdns-43.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.crain.com include:_spf.clickshare.com include:usb._netblocks.mimecast.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • MS=ms75018181
  • google-site-verification=DAm7MAD_UyBxkuvxe6LzsUkfErGQYuWHXALmi-XPP7g
  • google-site-verification=yS0f4e3mpQGdzctdIaoIKy8PLjXcbjD1mrIckL0fQhY
  • knowbe4-site-verification=33b50c02d52ad8dd4b8b221a908a77d2
  • sending_domain201082=9d25e8c464ef076637d9a7445a0010559adc9ff148a469d0f5fbaa4aaa951956
  • SPFv=spf1 include:spf.crain.com include:_spf.clickshare.com include:usb._netblocks.mimecast.com ~all
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