certifiedmtp.com

Valid Email Server
Domain Lookup › certifiedmtp.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 21:11:25 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mx2-us1.ppe-hosted.com: 20
  • certifiedmtp-com.mail.protection.outlook.com: 0
  • mx1-us1.ppe-hosted.com: 10

A / AAAA Records

  • 192.200.160.12

Mail Server IPs

  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 67.231.154.162
  • 148.163.129.50

SOA Record

Raw SOA ns1.bigcommerce.com serverops.bigcommerce.com 2025120300 10800 3600 604800 10800
Primary NS (mname)
ns1.bigcommerce.com
Admin Email (rname)
serverops@bigcommerce.com
Serial
2025120300
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns3.bigcommerce.com
ns2.bigcommerce.com
ns1.bigcommerce.com

SPF Record

✓ Strict (-all)
v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

5 records
  • google-site-verification=miOPD0O_oVH8pz3uvSqAYOTlijKF5RdvJJOkzS4p91Q
  • klaviyo-site-verification=Hi3ubL
  • SPFv=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all
  • SPFv=spf1 +a +mx include:_spf.bigcommerce.com include:spf.protection.outlook.com ~all
  • sy1l1bw4k9mbnsvch9h1mnds44z7qfgh
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