Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
best-growth.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-18 04:13:37 UTC · ↺ Refresh
MX Hostnames
- smx34.cn4e.com
- hsmx34.cn4e.com
MX Priorities
- smx34.cn4e.com: 10
- hsmx34.cn4e.com: 5
A / AAAA Records
- 35.236.40.86 ↩ 86.40.236.35.bc.googleusercontent.com
Mail Server IPs
- yunmx.cn4e.com. (no PTR)
- 43.224.153.210 ↩ hk-mx2.yunyou.top
- 43.224.154.178 ↩ hk-mx1.yunyou.top
SOA Record
Raw SOA
ns1.dnsowl.com hostmaster.dnsowl.com 1784347909 7200 1800 1209600 600
Primary NS (mname)
ns1.dnsowl.com
Admin Email (rname)
hostmaster@dnsowl.com
Serial
1784347909
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns3.dnsowl.com
ns1.dnsowl.com
ns2.dnsowl.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.cn4e.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.cn4e.com -all
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