cnknown.com

Valid Email Server
Domain Lookup › cnknown.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cnknown.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 03:14:07 UTC · ↺ Refresh

MX Hostnames

  • mx1.qiye.aliyun.com
  • mx2.qiye.aliyun.com
  • mx3.qiye.aliyun.com

MX Priorities

  • mx3.qiye.aliyun.com: 15
  • mx2.qiye.aliyun.com: 10
  • mx1.qiye.aliyun.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 47.246.137.47 (no PTR)
  • 47.246.136.231 ↩ cz-clare.com

SOA Record

Raw SOA dm1.longmingdns.com dnsadmin.longmingdns.com 1751342736 3600 300 1209600 1800
Primary NS (mname)
dm1.longmingdns.com
Admin Email (rname)
dnsadmin@longmingdns.com
Serial
1751342736
Refresh
3600s
Retry
300s
Expire
1209600s
Minimum TTL
1800s

Nameservers (NS)

dm1.longmingdns.com
dm2.longmingdns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.qiye.aliyun.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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.qiye.aliyun.com -all
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