Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tangchen.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 23:45:56 UTC · ↺ Refresh
MX Hostnames
- mail.tangchen.com
MX Priorities
- mail.tangchen.com: 10
A / AAAA Records
- 180.92.182.170 ↩ mail.tangchen.com
Mail Server IPs
- 180.92.182.170 ↩ mail.tangchen.com
SOA Record
Raw SOA
ns23.website-solution.net root.tangchen.com 2023112300 3600 3600 1209600 86400
Primary NS (mname)
ns23.website-solution.net
Admin Email (rname)
root@tangchen.com
Serial
2023112300
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns23.website-solution.net
ns24.website-solution.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:180.92.182.170 ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no 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 a mx ip4:180.92.182.170 ?all
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