deerflat.org

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
deerflat.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:24:52 UTC · ↺ Refresh

MX Hostnames

  • deerflat-org.mail.protection.outlook.com
  • deerflat-org.mail.eo.outlook.com

MX Priorities

  • deerflat-org.mail.eo.outlook.com: 1
  • deerflat-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 76.76.21.21

Mail Server IPs

  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.9.14
  • 2a01:111:f403:f901::2
  • 2a01:111:f403:c946::2
  • 2a01:111:f403:c927::1
  • 2a01:111:f403:c936::

SOA Record

Raw SOA ns69.worldnic.com namehost\@worldnic.com 124111210 10800 3600 604800 3600
Primary NS (mname)
ns69.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124111210
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns69.worldnic.com
ns70.worldnic.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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=mFdu2En7ESCKeufyRrG95ZuMG96mweCgJNNcsRpA6I0
  • amazon-business-verification=17673905ea8f1da84745a673cccef2c94ec4bf1718a1bb8c8d8b1c4f039152ac
Full email verification for deerflat.org

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

SPF / DKIM / DMARC Get 1,000 Free Credits