Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
koa.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-30 07:40:21 UTC · ↺ Refresh
MX Hostnames
- mail.koa.com.tw
MX Priorities
- mail.koa.com.tw: 5
A / AAAA Records
- 60.251.51.146 ↩ mail.koa.com.tw
Mail Server IPs
- 60.251.51.146 ↩ mail.koa.com.tw
SOA Record
Raw SOA
ns11.twnic.net.tw tech.twnic.net.tw 1791229252 3600 600 86400 38400
Primary NS (mname)
ns11.twnic.net.tw
Admin Email (rname)
tech@twnic.net.tw
Serial
1791229252
Refresh
3600s
Retry
600s
Expire
86400s
Minimum TTL
38400s
Nameservers (NS)
ns12.twnic.net.tw
ns11.twnic.net.tw
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr ip4:60.251.51.146 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 a mx ptr ip4:60.251.51.146 ~all
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