mail.hakmun.co.kr - robtex.com

mail.hakmun.co.kr

DNSSEC⚠️ Not signed
A221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband

hakmun.co.kr

DNSSEC⚠️ Not signed
A221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband
NSns1.aramschool.co.kr
NSns1.highm.kr ⚠️ Not in zone NS records
NSns2.highm.kr ⚠️ Not in zone NS records
MXmail.hakmun.co.kr
TXTv=spf1 include:_spf.aramschool.co.kr ~all
SOAns1.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)

201520162017201820192020202120222023202420252026A221.139.49.4121.189.61.151
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
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

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
hakmun.co.krns1.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

TypeCountSample Data
A1221.139.49.4

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.