tsg.bz

Valid Email Server
Domain Lookup › tsg.bz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tsg.bz
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 13:45:03 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 162.159.135.42 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns.rackspace.com tbrewer.tsg.bz 1773414060 3600 300 1814400 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
tbrewer@tsg.bz
Serial
1773414060
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s

Nameservers (NS)

dns2.stabletransit.com
dns1.stabletransit.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:_netblocks.mimecast.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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=ms84014462
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:_netblocks.mimecast.com -all
  • 0ed1fe018adf0d42c356a846bfba5dcc1149ab450e
  • autodesk-domain-verification=JdS7ZSMyv9QY4t8H2kzz
  • 1password-site-verification=D6VV2U5M2VHG5I6SQTEZIXGIAQ
  • ca3-13437aec5bac4f5c8baf4d669dd42a90
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