oxygenplusonline.com

Valid Email Server
Domain Lookup › oxygenplusonline.com

Domain Overview

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

Checked via [email protected] · 2026-03-30 01:05:59 UTC · ↺ Refresh

MX Hostnames

  • oxygenplusonline-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.74.68 (no PTR)
  • 172.67.200.43 (no PTR)
  • 2606:4700:3033::6815:4a44
  • 2606:4700:3034::ac43:c82b

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ines.ns.cloudflare.com dns.cloudflare.com 2400025683 10000 2400 604800 1800
Primary NS (mname)
ines.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400025683
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ines.ns.cloudflare.com
micah.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.paubox.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

✗ 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 include:_spf.paubox.com -all
Full email verification for oxygenplusonline.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits