hrbeu.edu.cn

Valid Email Server
Domain Lookup › hrbeu.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-24 03:13:06 UTC · ↺ Refresh

MX Hostnames

  • mx1.hrbeu.edu.cn
  • mx2.hrbeu.edu.cn

MX Priorities

  • mx1.hrbeu.edu.cn: 5
  • mx2.hrbeu.edu.cn: 10

A / AAAA Records

  • 202.118.176.2 ↩ \@.heu.cn

Mail Server IPs

  • 202.118.176.6 ↩ mx1.hrbeu.edu.cn
  • 202.118.176.9 ↩ mx2.hrbeu.edu.cn

SOA Record

Raw SOA ns.hrbeu.edu.cn admin.example.com 2100000039 10800 900 604800 86400
Primary NS (mname)
ns.hrbeu.edu.cn
Admin Email (rname)
admin@example.com
Serial
2100000039
Refresh
10800s
Retry
900s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.hrbeu.edu.cn
hrbeu.hrbeu.edu.cn
dns.hrbeu.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 ip4:202.118.176.10 ip4:202.118.176.9 ip4:202.118.176.6 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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 ip4:202.118.176.10 ip4:202.118.176.9 ip4:202.118.176.6 -all
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