duoproplumbingkc.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-26 02:18:04 UTC · ↺ Refresh

MX Hostnames

  • mx2.hostinger.com
  • duoproplumbingkc-com.mail.protection.outlook.com
  • mx1.hostinger.com

MX Priorities

  • mx1.hostinger.com: 5
  • duoproplumbingkc-com.mail.protection.outlook.com: 0
  • mx2.hostinger.com: 10

A / AAAA Records

  • 147.79.72.210
  • 88.223.87.253
  • 2a02:4780:4c:df7e:b1:398b:f83d:86a5
  • 2a02:4780:4d:b3ef:d344:a944:c741:d6b7

Mail Server IPs

  • 172.65.182.103 (no PTR)
  • 2606:4700:90::c1f8:f874:2386:b61f (no PTR)
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dns-parking.com dns.hostinger.com 2026032601 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026032601
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.dns-parking.com
ns2.dns-parking.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.mail.hostinger.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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.mail.hostinger.com ~all
  • SPFv=spf1 +ip4:77.37.95.230 +include:spf.protection.outlook.com -all
  • NETORGFT5002299.onmicrosoft.com
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