cfsomaha.com

Valid Email Server
Domain Lookup › cfsomaha.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 09:00:02 UTC · ↺ Refresh

MX Hostnames

  • cfsomaha-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 151.101.66.159 (no PTR)

Mail Server IPs

  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com

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

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • MS=ms52169367
  • sophos-domain-verification=854e573667d9e6fc3430b8cd9c569c2cf718c4ab4962a1a5fa7b8695a5632af3
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • mscid=Cn1y+e+Wi0SKzVp8ZrorO/XJTXyC9iUgjuNCKWbfujAqiAqoUgdecvvUm6xa5uK4qxs8NTGVhTAx7NtBIkPP1Q==
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cfsomaha.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits