Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cfdsmile.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:55:30 UTC · ↺ Refresh
MX Hostnames
- mail.cfdsmile.com
MX Priorities
- mail.cfdsmile.com: 10
A / AAAA Records
- 35.172.94.1 ↩ staticip.multiscreensite.com
- 100.24.208.97 ↩ staticip2.multiscreensite.com
Mail Server IPs
- 166.78.37.69 ↩ 1310270-server1.solution21.com
SOA Record
Raw SOA
ns.cfdsmile.com info.solution21.com 1756133235 10800 3600 604800 10800
Primary NS (mname)
ns.cfdsmile.com
Admin Email (rname)
info@solution21.com
Serial
1756133235
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns.cfdsmile.com
ns2.cfdsmile.com
ns1.cfdsmile.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:863152-web4.www.dentistry21.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 +a +mx +a:863152-web4.www.dentistry21.com -all
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