duffyconstructionmt.com

Valid Email Server
Domain Lookup › duffyconstructionmt.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 10:17:38 UTC · ↺ Refresh

MX Hostnames

  • mx1-us1.ppe-hosted.com
  • mx2-us1.ppe-hosted.com
  • duffyconstructionmt-com.mail.protection.outlook.com

MX Priorities

  • mx1-us1.ppe-hosted.com: 20
  • duffyconstructionmt-com.mail.protection.outlook.com: 10
  • mx2-us1.ppe-hosted.com: 30

A / AAAA Records

  • 185.230.63.107
  • 185.230.63.171
  • 185.230.63.186

Mail Server IPs

  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 67.231.154.163
  • 148.163.129.51

SOA Record

Raw SOA ns12.wixdns.net support.wix.com 2020060218 10800 3600 1209600 3600
Primary NS (mname)
ns12.wixdns.net
Admin Email (rname)
support@wix.com
Serial
2020060218
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns13.wixdns.net
ns12.wixdns.net

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

✗ 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=4p2q1h6PhFNIA3IkmHn4GwpwtjgKHkaKPD256y6xhYo
  • SPFv=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all
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