Domain Overview
DNS: ✓ 14d ago
Checker: ✓ 14d ago
rionco.com
Disposable
✓ Yes
Google
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-27 19:54:09 UTC · ↺ Refresh
MX Hostnames
- aspmx.daum.net
- alt.aspmx.daum.net
MX Priorities
- aspmx.daum.net: 10
- alt.aspmx.daum.net: 20
A / AAAA Records
- 75.2.85.42 ↩ a4c6c51f8b10d0080.awsglobalaccelerator.com
- 99.83.196.71 ↩ a4c6c51f8b10d0080.awsglobalaccelerator.com
Mail Server IPs
- 121.53.85.23 (no PTR)
SOA Record
Raw SOA
ns1.hosting.co.kr admin.rionco.com 5 21600 1800 1209600 180
Primary NS (mname)
ns1.hosting.co.kr
Admin Email (rname)
admin@rionco.com
Serial
5
Refresh
21600s
Retry
1800s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns2.hosting.co.kr
ns1.hosting.co.kr
ns3.hosting.co.kr
ns4.hosting.co.kr
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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