Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
tuc.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-30 07:40:45 UTC · ↺ Refresh
MX Hostnames
- vsl.tuc.com.tw
- msl.tuc.com.tw
MX Priorities
No priority data.
A / AAAA Records
- 220.228.149.132 ↩ ll-220-228-149-132.ll.sparqnet.net
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
tuc.com.tw msl.tuc.com.tw 2026101801 86400 86400 1209600 86400
Primary NS (mname)
tuc.com.tw
Admin Email (rname)
msl@tuc.com.tw
Serial
2026101801
Refresh
86400s
Retry
86400s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns2.tuc.com.tw
dns1.tuc.com.tw
tuc.com.tw
SPF Record
✓ Strict (-all)
v=spf1 ip4:220.228.149.131 ip4:124.219.97.26 a:msl.tuc.com.tw a:vsl.tuc.com.tw mx include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- 8jgco6nqvgg8muhp64eb847ut9
- SPFv=spf1 ip4:220.228.149.131 ip4:124.219.97.26 a:msl.tuc.com.tw a:vsl.tuc.com.tw mx include:spf.protection.outlook.com -all
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