Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bescore-ess.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:57:33 UTC · ↺ Refresh
MX Hostnames
- cnc.biz-email.net
- mail.biz-email.net
- techen-cn.corpsmtp.net
- techen-cn.corpsmtp.cn
MX Priorities
- techen-cn.corpsmtp.net: 5
- mail.biz-email.net: 20
- techen-cn.corpsmtp.cn: 10
- cnc.biz-email.net: 15
A / AAAA Records
- 47.91.75.199
Mail Server IPs
- 47.74.183.245 ↩ sal604.corpemail.net
- 188.166.26.239 ↩ inbound-602.protection.corpemail.net
- 159.100.25.212 ↩ dd-cn2-402.corpemail.net
- 159.100.25.163 ↩ dd-cn2-401.corpemail.net
- 95.85.54.247 ↩ inbound-603.protection.corpemail.net
- 159.100.25.64 ↩ dd-cn2-101.corpemail.net
- 47.88.156.124 ↩ sal603.corpemail.net
- 23.91.98.8 ↩ sal605.corpemail.net
- 47.88.170.90 ↩ sal601.corpemail.net
- 222.73.234.236 ↩ mail.biz-email.net
- 222.73.234.229
- 222.73.234.234
- 210.51.26.150
- 210.51.26.140
SOA Record
Raw SOA
dns21.hichina.com hostmaster.hichina.com 2026011209 3600 1200 86400 600
Primary NS (mname)
dns21.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026011209
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
dns21.hichina.com
dns22.hichina.com
SPF Record
✓ Strict (-all)
v=spf1 include:_s.corp-email.com -all
📊 DNS lookups: 1/10
✓ 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
1 record- SPFv=spf1 include:_s.corp-email.com -all
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