toppsen.cn

Valid Email Server
Domain Lookup › toppsen.cn

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
toppsen.cn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 13:33:33 UTC · ↺ Refresh

MX Hostnames

  • hzmx02.mxmail.netease.com
  • hzmx01.mxmail.netease.com

MX Priorities

  • hzmx01.mxmail.netease.com: 5
  • hzmx02.mxmail.netease.com: 10

A / AAAA Records

  • 121.43.254.211 (no PTR)
CNAME → a11.bj.cloud.seo1158.cn

Mail Server IPs

  • 47.90.150.166 (no PTR)
  • 47.253.119.154 (no PTR)

SOA Record

Raw SOA dns15.hichina.com hostmaster.hichina.com 2026011209 3600 1200 86400 600
Primary NS (mname)
dns15.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026011209
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

dns16.hichina.com
dns15.hichina.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.163.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

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:spf.163.com -all
Full email verification for toppsen.cn

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits