edufirst.biz

Valid Email Server
Domain Lookup › edufirst.biz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
edufirst.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 06:52:32 UTC · ↺ Refresh

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MX Hostnames

  • edufirst-biz.mail.protection.outlook.com

MX Priorities

  • edufirst-biz.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.77.196 (no PTR)
  • 172.67.211.109 (no PTR)
  • 2606:4700:3030::6815:4dc4
  • 2606:4700:3030::ac43:d36d

Mail Server IPs

  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA cleo.ns.cloudflare.com dns.cloudflare.com 2397624720 10000 2400 604800 1800
Primary NS (mname)
cleo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397624720
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

treasure.ns.cloudflare.com
cleo.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

4 records
  • google-site-verification=3cd3SqOUDuZQJTS5qIymBODi13Ztl1LcuqY0K13u-DE
  • SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
  • 2EFA023794DDDE630EBC4F8D6C0CE0F497B342C334945F4934A5586302C54CD5
  • MS=ms13438181
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