Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
amkor.co.kr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 19:28:53 UTC · ↺ Refresh
MX Hostnames
- amkor-co-kr.mail.protection.outlook.com
MX Priorities
- amkor-co-kr.mail.protection.outlook.com: 10
A / AAAA Records
- 161.47.38.34 (no PTR)
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.amkor.co.kr sangho.wu.amkor.co.kr 2025110412 86400 3600 604800 10800
Primary NS (mname)
ns1.amkor.co.kr
Admin Email (rname)
sangho@wu.amkor.co.kr
Serial
2025110412
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns1.amkor.co.kr
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:12.105.180.132/31 ip4:203.248.139.117 ip4:203.248.139.118 ip4:203.248.139.116 ip4:203.248.139.115 ip4:203.248.140.115 ip4:12.28.149.150 ip4:12.105.180.151 include:spf-001cf902.pphosted.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- knowbe4-site-verification=7a7b137577dc64db0667bfbaaf26f0fa
- _pnyxffyqglybjdiprh11ns2wigpvjuw
- SPFv=spf1 include:spf.protection.outlook.com ip4:12.105.180.132/31 ip4:203.248.139.117 ip4:203.248.139.118 ip4:203.248.139.116 ip4:203.248.139.115 ip4:203.248.140.115 ip4:12.28.149.150 ip4:12.105.180.151 include:spf-001cf902.pphosted.com -all
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