strongest.cn

Valid Email Server
Domain Lookup › strongest.cn

Domain Overview

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

Checked via [email protected] · 2026-03-25 22:45:55 UTC · ↺ Refresh

MX Hostnames

  • mx1.tongxin.cn
  • mx2.tongxin.cn

MX Priorities

  • mx1.tongxin.cn: 10
  • mx2.tongxin.cn: 20

A / AAAA Records

  • 101.206.185.116 (no PTR)
  • 101.206.185.117 (no PTR)
  • 110.249.209.200 (no PTR)
  • 110.249.209.201 (no PTR)
  • 115.231.227.166 (no PTR)
  • 115.231.227.167 (no PTR)
  • 116.211.138.208 (no PTR)
  • 116.211.138.209 (no PTR)
  • 120.192.84.244 (no PTR)
  • 120.192.84.245
  • 183.47.237.10
  • 183.47.237.11
  • 222.186.168.162
  • 222.186.168.163
  • 101.69.122.166
  • 101.69.122.167
CNAME → strongest-cn.cname.saaswaf.com

Mail Server IPs

  • 58.56.105.175 (no PTR)

SOA Record

Raw SOA dns7.hichina.com hostmaster.hichina.com 2026011209 3600 1200 86400 600
Primary NS (mname)
dns7.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026011209
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s

Nameservers (NS)

dns8.hichina.com
dns7.hichina.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.tongxin.cn include:spf.qiye.aliyun.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100;rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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.tongxin.cn include:spf.qiye.aliyun.com -all
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