northtxair.com

Valid Email Server
Domain Lookup › northtxair.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
northtxair.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 22:56:37 UTC · ↺ Refresh

MX Hostnames

  • northtxair-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.81.106 (no PTR)
  • 172.67.141.226 (no PTR)
  • 2606:4700:3036::6815:516a
  • 2606:4700:3036::ac43:8de2

Mail Server IPs

  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com

SOA Record

Raw SOA bonnie.ns.cloudflare.com dns.cloudflare.com 2397118945 10000 2400 604800 1800
Primary NS (mname)
bonnie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397118945
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

matteo.ns.cloudflare.com
bonnie.ns.cloudflare.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

2 records
  • MS=ms26562196
  • SPFv=spf1 include:secureserver.net -all
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