gtsx.com

Valid Email Server
Domain Lookup › gtsx.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 01:27:38 UTC · ↺ Refresh

MX Hostnames

  • gtsx-com.mail.protection.outlook.com

MX Priorities

  • gtsx-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.10 (no PTR)
  • 141.193.213.11 (no PTR)

Mail Server IPs

  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ivy.ns.cloudflare.com dns.cloudflare.com 2399052127 10000 2400 604800 1800
Primary NS (mname)
ivy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399052127
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

noel.ns.cloudflare.com
ivy.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:209.133.52.79/32 ip4:209.133.52.76/32 ip4:38.109.103.222/32 ip4:209.133.52.82/32 ip4:52.142.24.245/32 include:spf.protection.outlook.com include:aspmx.pardot.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

8 records
  • _cllguqts7205y7o4dizpotk61aa08gu
  • atlassian-domain-verification=DMGKPllbFMLR94NGT6xeCKa7dtcOa0xOaEcw740C2FYU6jGmd7q5qz0SjBylAFgW
  • atlassian-sending-domain-verification=13de137a-476b-4452-bf46-a7ffb0567b38
  • docusign=de90fa0e-7cb7-40e8-8733-6bf35990f709
  • openai-domain-verification=dv-HZRZz7ZzDQMu9VmuaBVEP2U8
  • smartsheet-site-validation=TZ6Iy02w_PlNgCPB_-6s7mSAKTx5LsNs
  • SPFv=spf1 mx ip4:209.133.52.79/32 ip4:209.133.52.76/32 ip4:38.109.103.222/32 ip4:209.133.52.82/32 ip4:52.142.24.245/32 include:spf.protection.outlook.com include:aspmx.pardot.com -all
  • M0eGD2TjfMplz79INpiqnLTpLI0GVaoSVt2A21Gs5BXOTsoLmLN3PVJ3Ph/Z+g1M9uTkuB3nrgg857SZV3J2WQ==
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