mail.hakmun.co.kr - robtex.com
mail.hakmun.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
hakmun.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ns1.aramschool.co.kr ⭐ | ||||||
| NS | ns1.highm.kr ⚠️ Not in zone NS records | ||||||
| NS | ns2.highm.kr ⚠️ Not in zone NS records | ||||||
| MX | mail.hakmun.co.kr ⭐ | ||||||
| TXT | v=spf1 include:_spf.aramschool.co.kr ~all | ||||||
| SOA | ns1.aramschool.co.krsupport@aramschool.co.kr 2026-06-05 #1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A121.189.61.1512014-06-18 → 2016-01-13 · 4 obs
● 2014-06-18 06:44:38
● 2016-01-13 11:11:28
○ 2026-03-26 12:38:10
○ 2026-08-11 10:45:12
● 2016-01-13 11:11:28
○ 2026-03-26 12:38:10
○ 2026-08-11 10:45:12
●A221.139.49.42026-03-26 → 2026-08-11 · 3 obs
○ 2016-01-13 11:11:28
● 2026-03-26 12:38:10
● 2026-08-11 10:45:12
● 2026-03-26 12:38:10
● 2026-08-11 10:45:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| hakmun.co.kr | ns1.highm.kr, ns2.highm.kr | - |
✅ Authoritative Response
Server:121.125.73.38
NS records: ns1.highm.kr, ns2.highm.kr
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at kr: Error: DNS query timeout: 210.101.60.1 for DNSKEY kr
⏱️ Timing
Total: 4332ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.139.49.4 |
Analysis
Mail Server Role
mail.hakmun.co.kr serves as a mail server for hakmun.co.kr.
IP Addresses
mail.hakmun.co.kr points to a single IP number: 221.139.49.4.
Additional host names — smmoulding.co.kr, miraejt.com, mail.kptennis.com and two others — share IP numbers with mail.hakmun.co.kr.