frontiercontractorsinc.com

Valid Email Server
Domain Lookup › frontiercontractorsinc.com

Domain Overview

DNS: ✓ 7h ago Checker: ✓ 7h ago
frontiercontractorsinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-04 09:18:13 UTC · ↺ Refresh

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MX Hostnames

  • frontiercontractorsinc-com.mail.protection.outlook.com

MX Priorities

  • frontiercontractorsinc-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 216.92.167.32 ↩ frontiercontractorsinc.com

Mail Server IPs

  • 52.101.9.34 ↩ mail-bl0pr03cu00402.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.60.148 ↩ mail-bnypr04cu00104.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c92c:: ↩ mail-dm6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f909::3 ↩ mail-bnypr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f804::7 ↩ mail-co2pr03cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA dns4.pair.com root.pair.com 2026100212 3600 300 604800 3600
Primary NS (mname)
dns4.pair.com
Admin Email (rname)
root@pair.com
Serial
2026100212
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns4.pair.com
ns9.ns0.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

No TXT records found.

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