bjsjth.cn

Valid Email Server
Domain Lookup › bjsjth.cn

Domain Overview

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

Checked via [email protected] · 2026-03-14 05:28:57 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

  • 117.133.27.173 (no PTR)
  • 2409:8700:1822:2000::2 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns7.dns.net.cn admin.dns.net.cn 139 900 600 86400 3600
Primary NS (mname)
ns7.dns.net.cn
Admin Email (rname)
admin@dns.net.cn
Serial
139
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns20.dns.net.cn
ns7.dns.net.cn
ns.dns.net.cn

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
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