Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
regnum.kr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-29 23:15:20 UTC · ↺ Refresh
MX Hostnames
- mx02.mailplug.com
- mx01.mailplug.com
MX Priorities
- mx02.mailplug.com: 20
- mx01.mailplug.com: 10
A / AAAA Records
- 112.175.50.170 (no PTR)
Mail Server IPs
- 223.26.214.10 (no PTR)
- 223.26.214.9 (no PTR)
- 121.156.118.220 ↩ mx01.mailplug.com
- 121.156.118.213 ↩ mx01.mailplug.com
- 121.156.118.223 ↩ mx01.mailplug.com
- 121.156.118.248 ↩ mx01.mailplug.com
- 121.156.118.204 ↩ mx01.mailplug.com
- 121.156.118.202 ↩ mx01.mailplug.com
SOA Record
Raw SOA
regnum.kr postmaster.regnum.kr 20220627 10800 3600 3600000 43200
Primary NS (mname)
regnum.kr
Admin Email (rname)
postmaster@regnum.kr
Serial
20220627
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
43200s
Nameservers (NS)
ns1.cafe24.co.kr
ns1.cafe24.com
ns2.cafe24.co.kr
ns2.cafe24.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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