mastertechtexas.com

Valid Email Server
Domain Lookup › mastertechtexas.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
mastertechtexas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 13:02:17 UTC · ↺ Refresh

MX Hostnames

  • mastertechtexas-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

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

Mail Server IPs

  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns37.domaincontrol.com dns.jomax.net 2024062107 28800 7200 604800 600
Primary NS (mname)
ns37.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024062107
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns38.domaincontrol.com
ns37.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ 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

7 records
  • SPFv=spf1 include:secureserver.net -all
  • google-site-verification=zZCtR8v1kaSoYDn4M2juk9vtYAPAc-lC6BqiPDFW7rc
  • atomic-domain-a274280bd60694386c21d1b773deac602c2317dacdef8bf559d87c97175155ae
  • google-site-verification=Hl5S1JoEWhcDQraavONG7w3r9wi7hJovdD1cPyaD3gU
  • apple-domain=s9crvP82aPMRZndD
  • MS=ms68863280
  • google-site-verification=0d0gDeetzaUG5zL_VGD6z_o4qo2bkRHlhVNFduaxC8Q
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