dfk.com

Valid Email Server
Domain Lookup › dfk.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dfk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 16:05:41 UTC · ↺ Refresh

MX Hostnames

  • dfk-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.23.223 (no PTR)
  • 172.67.213.248 (no PTR)
  • 2606:4700:3031::6815:17df
  • 2606:4700:3034::ac43:d5f8

Mail Server IPs

  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA bart.ns.cloudflare.com dns.cloudflare.com 2398849500 10000 2400 604800 1800
Primary NS (mname)
bart.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398849500
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

mallory.ns.cloudflare.com
bart.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com include:amazonses.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mailjet.com include:amazonses.com -all
  • google-site-verification=9F-y6CHzptmIubmuQzQQN4Tip2917TPa4YDE9aFMrgY
Full email verification for dfk.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits