regnum.kr

Valid Email Server

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

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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

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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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