drhear.com

Valid Email Server
Domain Lookup › drhear.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 00:08:01 UTC · ↺ Refresh

MX Hostnames

  • drhear-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 151.101.194.159 (no PTR)

Mail Server IPs

  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA enterprise.select.net postmaster.select.net 2022050100 10800 3600 604800 86400
Primary NS (mname)
enterprise.select.net
Admin Email (rname)
postmaster@select.net
Serial
2022050100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

excelcior.select.net
enterprise.select.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:emsd1.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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 include:emsd1.com -all
Full email verification for drhear.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits