drenbio.com

Valid Email Server
Domain Lookup › drenbio.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 04:42:44 UTC · ↺ Refresh

MX Hostnames

  • drenbio-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 198.12.246.215 ↩ 215.246.12.198.host.secureserver.net

Mail Server IPs

  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns71.domaincontrol.com dns.jomax.net 2026031502 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031502
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns72.domaincontrol.com
ns71.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:103.47.205.129 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 a mx ip4:103.47.205.129 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
  • box-domain-verification=d123c8790837850cd97815fd016010778a3ebaadbf1443b705d2190d5ea13f07
  • smartsheet-site-validation=37xBZYv-EFr0IjomRJvsBf-OyN9MVU-O
  • apple-domain-verification=YLGZLEtmnPRWAMbY
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