mullensproul.com

Valid Email Server
Domain Lookup › mullensproul.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 22:37:58 UTC · ↺ Refresh

MX Hostnames

  • mullensproul-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 66.175.58.9 ↩ hostedc38.carrierzone.com

Mail Server IPs

  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.carrierzone.com postmaster.carrierzone.com 2020030316 86400 86400 3600000 86400
Primary NS (mname)
ns1.carrierzone.com
Admin Email (rname)
postmaster@carrierzone.com
Serial
2020030316
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.carrierzone.com
ns1.carrierzone.com
ns4.carrierzone.com
ns3.carrierzone.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

✗ 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 include:spf.protection.outlook.com -all
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 mullensproul.com

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

No credit card required
Get 1,000 Free Credits