cmsn.com

Valid Email Server
Domain Lookup › cmsn.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cmsn.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 17:52:09 UTC · ↺ Refresh

MX Hostnames

  • cmsn-com.mail.protection.outlook.com

MX Priorities

  • cmsn-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 173.236.232.95 ↩ dp-a94eac37fd.dreamhostps.com

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.f5clouddns.com f5xc-dns.f5.com 2024062410 86400 7200 360000 1800
Primary NS (mname)
ns1.f5clouddns.com
Admin Email (rname)
f5xc-dns@f5.com
Serial
2024062410
Refresh
86400s
Retry
7200s
Expire
360000s
Minimum TTL
1800s

Nameservers (NS)

ns1.f5clouddns.com
ns2.f5clouddns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:12.149.190.128/25 ip4:208.244.117.0/24 ip4:70.166.229.100/32 ip4:204.141.56.6/32 ip4:204.141.56.152/32 ip4:198.140.154.31/32 ip4:198.140.154.32/32 ip4:12.29.157.57/32 ip4:68.225.155.71/32 ip4:68.225.155.72/32 ip4:216.224.214.120/31 ip4:205.145.163.185 ip4:205.145.163.186 ip4:216.224.214.50/31 include:spf.protection.outlook.com include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=10; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only

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 ip4:12.149.190.128/25 ip4:208.244.117.0/24 ip4:70.166.229.100/32 ip4:204.141.56.6/32 ip4:204.141.56.152/32 ip4:198.140.154.31/32 ip4:198.140.154.32/32 ip4:12.29.157.57/32 ip4:68.225.155.71/32 ip4:68.225.155.72/32 ip4:216.224.214.120/31 ip4:205.145.163.185 ip4:205.145.163.186 ip4:216.224.214.50/31 include:spf.protection.outlook.com include:mailgun.org ~all
  • MS=ms48683923
  • MKmDmDSGMtgW+PSVsMrSbsHi1CLVnijlBToCd+eqZfLxPFTQTU+IH1POWaFfXTeH4Tle6eOpiqPe0K8J4t4orQ==
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