brianfidler.com

Valid Email Server
Domain Lookup › brianfidler.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 23:11:05 UTC · ↺ Refresh

MX Hostnames

  • brianfidler-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 18.173.132.40 ↩ server-18-173-132-40.jfk52.r.cloudfront.net
  • 18.173.132.11 ↩ server-18-173-132-11.jfk52.r.cloudfront.net
  • 18.173.132.84
  • 18.173.132.106

Mail Server IPs

  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns-748.awsdns-29.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-748.awsdns-29.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-748.awsdns-29.net
ns-1338.awsdns-39.org
ns-1575.awsdns-04.co.uk
ns-440.awsdns-55.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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms25522463
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