Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
m51.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 20:23:24 UTC · ↺ Refresh
MX Hostnames
- mail.m51.com
MX Priorities
- mail.m51.com: 0
A / AAAA Records
- 208.117.85.39 ↩ elroy.edifax.com
Mail Server IPs
- 208.117.85.39 ↩ elroy.edifax.com
SOA Record
Raw SOA
ns1.edifax.com admin.m51.com 2025012901 86400 7200 2400000 86400
Primary NS (mname)
ns1.edifax.com
Admin Email (rname)
admin@m51.com
Serial
2025012901
Refresh
86400s
Retry
7200s
Expire
2400000s
Minimum TTL
86400s
Nameservers (NS)
ns2.edifax.com
ns1.edifax.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:208.117.85.39 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +ip4:208.117.85.39 -all
- 56066992754abc0be5d7cc9ce9d35fc45ed61ed6
Full email verification for m51.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits