redholman.com

Valid Email Server
Domain Lookup › redholman.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 13:29:25 UTC · ↺ Refresh

MX Hostnames

  • redholman-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 52.85.31.89 ↩ server-52-85-31-89.jfk50.r.cloudfront.net
  • 52.85.31.14 ↩ server-52-85-31-14.jfk50.r.cloudfront.net
  • 52.85.31.63
  • 52.85.31.78

Mail Server IPs

  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns-761.awsdns-31.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-761.awsdns-31.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1306.awsdns-35.org
ns-1716.awsdns-22.co.uk
ns-204.awsdns-25.com
ns-761.awsdns-31.net

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=ms39170758
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