Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
ee.nthu.edu.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-29 23:27:58 UTC · ↺ Refresh
MX Hostnames
- antispam.net.nthu.edu.tw
MX Priorities
- antispam.net.nthu.edu.tw: 0
A / AAAA Records
- 140.114.67.68 ↩ ee-mail.vm.nthu.edu.tw
Mail Server IPs
- 140.114.63.93 ↩ c93.net.nthu.edu.tw
- 120.127.175.96 ↩ c96.net.nthu.edu.tw
- 140.114.63.95 ↩ c95.net.nthu.edu.tw
- 120.127.175.94 ↩ c94.net.nthu.edu.tw
SOA Record
Raw SOA
ns1.ee.nthu.edu.tw opr.ee.nthu.edu.tw 2026102802 3600 600 1209600 86400
Primary NS (mname)
ns1.ee.nthu.edu.tw
Admin Email (rname)
opr@ee.nthu.edu.tw
Serial
2026102802
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns2.nthu.edu.tw
ns1.ee.nthu.edu.tw
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com a:ee.nthu.edu.tw a:ns3.ee.nthu.edu.tw a:rcmail.ee.nthu.edu.tw a:webmail.ee.nthu.edu.tw ip4:140.114.67.68 ip4:140.114.62.0/23 include:spf.net.nthu.edu.tw ?all
📊 DNS lookups: 6/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- 0HqNpy9up-9CEfR7NrPn8E1nXknWN4TeiFLblAnfkQg
- google-site-verification=zm5aYjxzoH6AsPO8rO0ISB98jgYsgVDNxs5EMjhmftU
- google-site-verification=xdW7PPsvUzvpaUDo9iNzHjPRnm3ThvavmCU0E1YzujI
- SPFv=spf1 include:_spf.google.com a:ee.nthu.edu.tw a:ns3.ee.nthu.edu.tw a:rcmail.ee.nthu.edu.tw a:webmail.ee.nthu.edu.tw ip4:140.114.67.68 ip4:140.114.62.0/23 include:spf.net.nthu.edu.tw ?all
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