gtsanders.com

Valid Email Server
Domain Lookup › gtsanders.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 14:37:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 0
  • us-smtp-inbound-2.mimecast.com: 0

A / AAAA Records

  • 52.3.163.37 ↩ ec2-52-3-163-37.compute-1.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA ns71.domaincontrol.com dns.jomax.net 2025082900 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025082900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns72.domaincontrol.com
ns71.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ip4:192.69.130.0/23 ip4:192.254.115.42 ip4:66.7.134.162 ip4:66.7.134.170 include:mailgun.org include:email.freshdesk.com include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net ~all
📊 DNS lookups: 6/10
~ 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

4 records
  • SPFv=spf1 include:us._netblocks.mimecast.com ip4:192.69.130.0/23 ip4:192.254.115.42 ip4:66.7.134.162 ip4:66.7.134.170 include:mailgun.org include:email.freshdesk.com include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net ~all
  • openai-domain-verification=dv-adqCUupLr8qFz2GxI8kF4wmH
  • adobe-idp-site-verification=a515c2173bea4105c6c6c620d4514a134dab595df7e8366031774b0692350d26
  • 0ed1fe018a5cb19bb73c9244f0bab72da9523e72f8
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