Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
winona.cn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 06:48:58 UTC · ↺ Refresh
MX Hostnames
- mx1.feishu.cn
- mx3.feishu.cn
- mx2.feishu.cn
MX Priorities
- mx2.feishu.cn: 5
- mx3.feishu.cn: 10
- mx1.feishu.cn: 1
A / AAAA Records
- 47.97.236.237 (no PTR)
Mail Server IPs
- 122.14.229.0 (no PTR)
- 101.126.58.225 (no PTR)
- 52.220.106.220 ↩ ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
SOA Record
Raw SOA
vip3.alidns.com hostmaster.hichina.com 2025121107 3600 1200 86400 600
Primary NS (mname)
vip3.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2025121107
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
vip3.alidns.com
vip4.alidns.com
SPF Record
✓ Strict (-all)
v=spf1 +include:_netblocks.m.feishu.cn include:spf.263.net -all
📊 DNS lookups: 2/10
✓ 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
3 records- globalsign-domain-verification=eQT_UAAkNCR6Ijwu9z1Q9LIxZsSzR9FMiONMlYadZG
- verification-code-site-App_feishu=pFExrMhWvB8yvQpSNruV
- SPFv=spf1 +include:_netblocks.m.feishu.cn include:spf.263.net -all
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