mcfsystems.com

Valid Email Server
Domain Lookup › mcfsystems.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
mcfsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 00:40:35 UTC · ↺ Refresh

MX Hostnames

  • mcfsystems-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 15.197.225.128
  • 3.33.251.168

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns03.domaincontrol.com
ns04.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.docufire.com ip4:159.183.89.190 -all
📊 DNS lookups: 2/10
✓ 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

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

7 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.docufire.com ip4:159.183.89.190 -all
  • openai-domain-verification=dv-RrgDig2sxfZhhqThBwp1UeDy
  • 00D200000000Tyr=1TBVg00000005RA
  • knowbe4-site-verification=1ef3f5a828a6b36d40f3c4743fca819a
  • perplexity-ai-domain-verification-nd0a6s=cqNn5wDCg70rpza9c6DR2ZSZY
  • google-site-verification=dxXwCnK0k3p7qudQh8JkQjV1PNgaV_95aPJa7ffVaIk
  • MS=010B19576956B203DFB9A9434818729912F19667
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