firemastersofny.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
firemastersofny.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:18:54 UTC · ↺ Refresh

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MX Hostnames

  • firemastersofny-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 67.227.198.47 ↩ server2.buildingtrades.com

Mail Server IPs

  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.btahosting.com devnull.sourcedns.com 2026032801 3600 1800 1209600 86400
Primary NS (mname)
ns1.btahosting.com
Admin Email (rname)
devnull@sourcedns.com
Serial
2026032801
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.btahosting.com
ns1.btahosting.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms96908351
  • apple-domain-verification=idVMPvlJo0IsS1sj
  • SPFv=spf1 include:spf.protection.outlook.com -all
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