tbsmith.com

Valid Email Server
Domain Lookup › tbsmith.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 07:39:39 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.230.63.107 ↩ unalocated.63.wixsite.com

Mail Server IPs

  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns49.worldnic.com namehost.worldnic.com 126031611 10800 3600 604800 3600
Primary NS (mname)
ns49.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031611
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns49.worldnic.com
ns50.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:65.183.50.187 ip4:207.211.31.0/25 ip4:207.211.30.0/24 ip4:205.139.110.0/24 ip4:205.139.111.0/24 include:_netblocks.mimecast.com include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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

9 records
  • hr885fllqcb3kjrf0atevbmfih
  • 9ftpbed20tlq1tcclqhhgspsff
  • MS=ms20578151
  • _x4fbn6no80jnptvwom6k9oikwih4i24
  • apple-domain-verification=XoO2NJfysG9Tba3A
  • oQs8HFtB9rOhCwC0oqS2G9HRsxc9aMBY1TPM6GrBafTXHCrJ600mFQKBeS+4qgSHG8CQac35DJCL7riISBJcUA==
  • google-site-verification=Z6N-sQKD6zJea4UBxLYkGyCU_EUHgx0aKoVuWpl-wp4
  • SPFv=spf1 ip4:65.183.50.187 ip4:207.211.31.0/25 ip4:207.211.30.0/24 ip4:205.139.110.0/24 ip4:205.139.111.0/24 include:_netblocks.mimecast.com include:mailgun.org ~all
  • autodesk-domain-verification=s-ZSqk9gzlCwnJCSJ8ri
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