Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smile-4life.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 09:31:25 UTC · ↺ Refresh
MX Hostnames
- mail.smile-4life.com
MX Priorities
- mail.smile-4life.com: 0
A / AAAA Records
- 75.147.212.9 ↩ 75-147-212-9-Miami.hfc.comcastbusiness.net
Mail Server IPs
- 174.140.111.208 ↩ mbdentalspecialty.com
SOA Record
Raw SOA
ns53.domaincontrol.com dns.jomax.net 2025111000 28800 7200 604800 3600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025111000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns53.domaincontrol.com
ns54.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:174.140.111.208 ip4:75.147.212.9 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine ; pct=20; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 2 found
mail._domainkey
dkim._domainkey
✓ Public key: 64 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
1 record- SPFv=spf1 ip4:174.140.111.208 ip4:75.147.212.9 -all
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