drheating.com

Valid Email Server
Domain Lookup › drheating.com

Domain Overview

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

Checked via [email protected] · 2026-03-24 08:41:31 UTC · ↺ Refresh

MX Hostnames

  • drheating-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.88.244 (no PTR)
  • 172.67.154.126 (no PTR)
  • 2606:4700:3032::6815:58f4
  • 2606:4700:3030::ac43:9a7e

Mail Server IPs

  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA cris.ns.cloudflare.com dns.cloudflare.com 2395901808 10000 2400 604800 1800
Primary NS (mname)
cris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395901808
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

cris.ns.cloudflare.com
deb.ns.cloudflare.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
Full email verification for drheating.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits