Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cmbchina.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 23:10:47 UTC · ↺ Refresh
MX Hostnames
- mail5.cmbchina.com
- mail6.cmbchina.com
- mail7.cmbchina.com
MX Priorities
- mail6.cmbchina.com: 20
- mail7.cmbchina.com: 20
- mail5.cmbchina.com: 20
A / AAAA Records
- 116.7.243.51 (no PTR)
- 2409:8754:34b0:100::33 (no PTR)
- 2408:8656:2ef4:200::33 (no PTR)
- 240e:6b1:420:100::33 (no PTR)
Mail Server IPs
- 116.7.243.58 (no PTR)
- 120.234.86.58 (no PTR)
- 58.250.104.58 (no PTR)
SOA Record
Raw SOA
ns.cmbchina.com hostmaster.ns.cmbchina.com 2026032721 10800 3600 604800 600
Primary NS (mname)
ns.cmbchina.com
Admin Email (rname)
hostmaster@ns.cmbchina.com
Serial
2026032721
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1.cmbchina.com
ns4.cmbchina.com
ns114.cmbchina.com
ns2.cmbchina.com
ns3.cmbchina.com
SPF Record
✓ Strict (-all)
v=spf1 include:a.spf.cmbchina.com include:b.spf.cmbchina.com include:c.spf.cmbchina.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; ruf=mailto:[email protected]; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- fortinet-fortiphish-site-verification=DjKGqJACcWzYk5agTM2vji
- 28.11.2024
- SPFv=spf1 include:a.spf.cmbchina.com include:b.spf.cmbchina.com include:c.spf.cmbchina.com -all
Full email verification for cmbchina.com
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