ssts.co.kr

Valid Email Server
Domain Lookup › ssts.co.kr

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ssts.co.kr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 15:03:55 UTC · ↺ Refresh

MX Hostnames

  • tmse.ssts.co.kr

MX Priorities

  • tmse.ssts.co.kr: 10

A / AAAA Records

  • 52.78.128.186 ↩ ec2-52-78-128-186.ap-northeast-2.compute.amazonaws.com

Mail Server IPs

  • 221.149.41.97 ↩ mail.kanaan.co.kr

SOA Record

Raw SOA ns.kornet.net domain.ns.kornet.net 2026022500 43200 3600 604800 43200
Primary NS (mname)
ns.kornet.net
Admin Email (rname)
domain@ns.kornet.net
Serial
2026022500
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

ns2.kornet.net
ns.kornet.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:221.149.41.1 ip4:221.149.41.45 ip4:221.149.41.3 ip4:125.141.205.112 ip4:13.124.111.122 ip4:221.149.41.18 ip4:221.149.41.125 ip4:221.149.41.97 include:mail.stibee.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • google-site-verification=aWgDAaUNmoTKBoAJ8042bCv5k6ZalK4icR8DCiIak2k
  • mongodb-site-verification=UxHZKbFlJxrCrvRbqKDOHvOQTCSHmHI4
  • SPFv=spf1 ip4:221.149.41.1 ip4:221.149.41.45 ip4:221.149.41.3 ip4:125.141.205.112 ip4:13.124.111.122 ip4:221.149.41.18 ip4:221.149.41.125 ip4:221.149.41.97 include:mail.stibee.com include:spf.protection.outlook.com ~all
  • MS=236F42DFA6BA6F5AC5C5C14064DA72E2BB089F3A
  • MS=ms83775232
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