ccu.edu.tw

Valid Email Server
Domain Lookup › ccu.edu.tw

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
ccu.edu.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-30 07:42:52 UTC · ↺ Refresh

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MX Hostnames

  • mg002023.ccu.edu.tw
  • mg002024.ccu.edu.tw

MX Priorities

  • mg002023.ccu.edu.tw: 0
  • mg002024.ccu.edu.tw: 0

A / AAAA Records

  • 140.123.1.2 ↩ suncc.ccu.edu.tw
  • 2001:288:6001:1::2 (no PTR)

Mail Server IPs

  • 140.123.2.23 ↩ mg002023.ccu.edu.tw
  • 2001:288:6001:2::23 (no PTR)
  • 140.123.2.24 ↩ mg002024.ccu.edu.tw
  • 2001:288:6001:2::24 (no PTR)

SOA Record

Raw SOA suncc.ccu.edu.tw root.suncc.ccu.edu.tw 2026102802 7200 3600 1209600 172800
Primary NS (mname)
suncc.ccu.edu.tw
Admin Email (rname)
root@suncc.ccu.edu.tw
Serial
2026102802
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
172800s

Nameservers (NS)

dns2.ccu.edu.tw
suncc.ccu.edu.tw

SPF Record

✓ Strict (-all)
v=spf1 ip4:140.123.2.0/24 ip6:2001:288:6001:2::/64 include:spf01.ccu.edu.tw include:spf02.ccu.edu.tw -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 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

7 records
  • SPFv=spf1 ip4:140.123.2.0/24 ip6:2001:288:6001:2::/64 include:spf01.ccu.edu.tw include:spf02.ccu.edu.tw -all
  • MS=C9FC743767C51ABC2DCD7D11F96F3C5F1B7B5227
  • Aw3Z6h1B590I2Tza8YvztB0ycvSsF3OWF_ZN4a2JNxg
  • B4KdnHWX0BtMszeU4-318EPfyS1JqiGPjQ3XskHSLXY
  • b44qm782jtlqzgncsw7lwbdhy8zmwmlz
  • VgIowv5RdFhtl8N-GqN16r80eEu3zpKDfKzDO0ieym8
  • Pf4FY08oWfiZu8Q9hRFkFi1ug_MvXz7TNsrawXP-K4M
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