activepbx.com

Valid Email Server
Domain Lookup › activepbx.com

Domain Overview

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

Checked via [email protected] · 2026-03-25 13:13:47 UTC · ↺ Refresh

MX Hostnames

  • activepbx-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 3.136.137.232 ↩ ec2-3-136-137-232.us-east-2.compute.amazonaws.com

Mail Server IPs

  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns-574.awsdns-07.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-574.awsdns-07.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-574.awsdns-07.net
ns-101.awsdns-12.com
ns-1472.awsdns-56.org
ns-1592.awsdns-07.co.uk

SPF Record

✗ Invalid
v=spf1 a mx ip4:109.169.41.225 ip4:204.10.76.0/24 ip4:208.73.0.0/22 ip4:204.10.78.6 ip4:208.122.112.26 ip4:208.122.127.10 include:cmail1.com include:servers.mcsv.net include:mail.zendesk.com include:sendgrid.net include:mailgun.org include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.zoho.com include:transmail.net -all
📊 DNS lookups: 11/10 — over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.

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

1 record
  • SPFv=spf1 a mx ip4:109.169.41.225 ip4:204.10.76.0/24 ip4:208.73.0.0/22 ip4:204.10.78.6 ip4:208.122.112.26 ip4:208.122.127.10 include:cmail1.com include:servers.mcsv.net include:mail.zendesk.com include:sendgrid.net include:mailgun.org include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.zoho.com include:transmail.net -all
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