Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
stbint.co.kr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-01 16:05:53 UTC · ↺ Refresh
MX Hostnames
- mailapp.hiworks.co.kr
MX Priorities
- mailapp.hiworks.co.kr: 10
A / AAAA Records
- 119.205.197.40 (no PTR)
Mail Server IPs
- 121.254.168.55 ↩ mailapp.hiworks.co.kr
- 211.47.76.59 ↩ mailapp.hiworks.co.kr
- 45.120.71.59 ↩ mailapp.hiworks.co.kr
SOA Record
Raw SOA
stbint.co.kr postmaster.stbint.co.kr 20190119 10800 3600 3600000 43200
Primary NS (mname)
stbint.co.kr
Admin Email (rname)
postmaster@stbint.co.kr
Serial
20190119
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
43200s
Nameservers (NS)
ns1.cafe24.com
ns1.cafe24.co.kr
ns2.cafe24.com
ns2.cafe24.co.kr
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.hiworks.co.kr ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:_spf.hiworks.co.kr ~all
- SPFv=spf1 include:_spf.hiworks.co.kr ~all
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