Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tjmedia.co.kr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 17:13:03 UTC · ↺ Refresh
MX Hostnames
- antispam.tjmedia.co.kr
- spam.tjmedia.co.kr
- mail.tjmedia.co.kr
MX Priorities
- antispam.tjmedia.co.kr: 5
- spam.tjmedia.co.kr: 5
- mail.tjmedia.co.kr: 10
A / AAAA Records
- 52.231.30.125 (no PTR)
Mail Server IPs
- 220.86.84.30 ↩ spam.taijin.com
SOA Record
Raw SOA
ns.tjmedia.co.kr tjmedia.co.kr 205771 14400 3600 604800 86400
Primary NS (mname)
ns.tjmedia.co.kr
Admin Email (rname)
tjmedia@co.kr
Serial
205771
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.tjmedia.co.kr
ns2.kornet.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:220.86.84.18 ip4:220.86.84.52 ip4:220.86.84.30 ip4:220.86.84.66 ip4:52.231.30.125 ip4:52.231.29.175 ip4:52.231.24.30 ip4:52.231.33.81 ip4:52.231.39.232 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict 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- MS=ms69415697
- SPFv=spf1 ip4:220.86.84.18 ip4:220.86.84.52 ip4:220.86.84.30 ip4:220.86.84.66 ip4:52.231.30.125 ip4:52.231.29.175 ip4:52.231.24.30 ip4:52.231.33.81 ip4:52.231.39.232 -all
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