Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
firich.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 09:14:50 UTC · ↺ Refresh
MX Hostnames
- mail.firich.com.tw
- mail.firich.com.tw
MX Priorities
- mail.firich.com.tw: 5
- mail.firich.com.tw: 10
A / AAAA Records
- 218.32.90.250 ↩ mail.firich.com.tw
Mail Server IPs
- 218.32.90.250 ↩ mail.firich.com.tw
SOA Record
Raw SOA
dns hostmaster 177 900 600 86400 3600
Primary NS (mname)
dns
Admin Email (rname)
hostmaster
Serial
177
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
dns.firich.com.tw
fecdns.firich.com.tw
SPF Record
✓ Strict (-all)
v=spf1 ip4:218.32.90.250/28 mx:mail.firich.com.tw mx:firich.com.tw mx:secpos.com.tw mx:mail.secpos.com.tw -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- 5o8cq9gnq094ku2o4koufthvbj
- SPFv=spf1 ip4:218.32.90.250/28 mx:mail.firich.com.tw mx:firich.com.tw mx:secpos.com.tw mx:mail.secpos.com.tw -all
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