Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yfos.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 22:36:40 UTC · ↺ Refresh
MX Hostnames
- mail.yfos.com.mx
MX Priorities
- mail.yfos.com.mx: 0
A / AAAA Records
- 192.252.144.40 (no PTR)
Mail Server IPs
- 192.252.144.40 (no PTR)
SOA Record
Raw SOA
ns1.server261.com hostmaster.yfos.com.mx 1775081750 16384 2048 1048576 2560
Primary NS (mname)
ns1.server261.com
Admin Email (rname)
hostmaster@yfos.com.mx
Serial
1775081750
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.server261.com
ns1.server261.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:server261.smtp-spf.sureserver.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx include:server261.smtp-spf.sureserver.com ~all
- MS=4F569F5D9CBAA3BC58BB78B8C2E297FA50350D36
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