dlut.edu.cn

Valid Email Server
Domain Lookup › dlut.edu.cn

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dlut.edu.cn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 17:53:20 UTC · ↺ Refresh

MX Hostnames

  • mx2.dlut.edu.cn
  • mx1.dlut.edu.cn

MX Priorities

  • mx2.dlut.edu.cn: 20
  • mx1.dlut.edu.cn: 20

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 202.118.66.81 ↩ mx2.dlut.edu.cn
  • 202.118.66.80 ↩ mx1.dlut.edu.cn

SOA Record

Raw SOA cedrus.dlut.edu.cn ygh.dlut.edu.cn 2026032510 10800 4800 604800 432000
Primary NS (mname)
cedrus.dlut.edu.cn
Admin Email (rname)
ygh@dlut.edu.cn
Serial
2026032510
Refresh
10800s
Retry
4800s
Expire
604800s
Minimum TTL
432000s

Nameservers (NS)

gingko.dlut.edu.cn
cedrus.dlut.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 ip4:202.118.66.80 ip4:202.118.66.81 ip4:202.118.66.82 ip4:202.118.65.160 ip4:202.118.66.85 ip4:202.118.66.86 ip4:202.118.66.13 ip4:202.118.66.15 -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

3 records
  • adobe-idp-site-verification=b523cfa0f8c9516a179a81c7098e52b16f7cdf3af530d55011e098dddc5514d4
  • SPFv=spf1 ip4:202.118.66.80 ip4:202.118.66.81 ip4:202.118.66.82 ip4:202.118.65.160 ip4:202.118.66.85 ip4:202.118.66.86 ip4:202.118.66.13 ip4:202.118.66.15 -all
  • 0ft5wnq5yl68y6qqmxb1371107hwz3p6
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