Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sfe.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 15:41:34 UTC · ↺ Refresh
MX Hostnames
- box.gdar.mx
MX Priorities
- box.gdar.mx: 10
A / AAAA Records
- 50.116.28.230 ↩ outpost.gdar.mx
Mail Server IPs
- 23.239.24.11 ↩ box.gdar.mx
- 2600:3c00::f03c:92ff:feaa:4356 ↩ box.gdar.mx
SOA Record
Raw SOA
ns1.box.gdar.mx hostmaster.box.gdar.mx 2026031500 7200 3600 1209600 86400
Primary NS (mname)
ns1.box.gdar.mx
Admin Email (rname)
hostmaster@box.gdar.mx
Serial
2026031500
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns42.cloudns.net
dns43.cloudns.net
dns44.cloudns.net
ns1.box.gdar.mx
dns41.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:mailgun.org -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
mail._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=0B5DEpBX-2d2FiAmRUrX-Bx6n9zYj1UG2V9fxU4Rg0E
- SPFv=spf1 mx include:mailgun.org -all
Full email verification for sfe.com.mx
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