gtax.com

Valid Email Server
Domain Lookup › gtax.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 20:52:59 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
  • 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com

Mail Server IPs

  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.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-1.mimecast.com

SOA Record

Raw SOA ns31.domaincontrol.com dns.jomax.net 2026021500 28800 7200 604800 600
Primary NS (mname)
ns31.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns32.domaincontrol.com
ns31.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:d344306d-spf.mta.tessian-gw.com ip4:159.63.148.195 ip4:159.63.148.202 ip4:74.11.198.138 ip4:4.30.190.51 ip4:209.208.210.165 ip4:174.137.46.1 ip4:174.137.46.2 ip4:174.137.46.3 ip4:174.137.46.4 ip4:63.139.247.226 include:spf.usa.net include:spf1.marketing.pro include:spf2.marketing.pro include:_spf.bluematrix.com include:mail.zendesk.com include:us._netblocks.mimecast.com -all
📊 DNS lookups: 8/10
✓ 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
  • SPFv=spf1 include:spf.protection.outlook.com include:d344306d-spf.mta.tessian-gw.com ip4:159.63.148.195 ip4:159.63.148.202 ip4:74.11.198.138 ip4:4.30.190.51 ip4:209.208.210.165 ip4:174.137.46.1 ip4:174.137.46.2 ip4:174.137.46.3 ip4:174.137.46.4 ip4:63.139.247.226 include:spf.usa.net include:spf1.marketing.pro include:spf2.marketing.pro include:_spf.bluematrix.com include:mail.zendesk.com include:us._netblocks.mimecast.com -all
  • 0ed1fe018a92dcd0d17968491ab18389227db83e62
  • MS=ms69390107
  • docusign=d2109190-015a-48f9-8207-043232c8f504
  • knowbe4-site-verification=ac04bbb214d3a27a91b26adf4000762c
  • rk4dfn4dybqs52f9n62v10bp5s19y5sx
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