mdu.kr - robtex.com
mdu.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 75.2.85.42🇺🇸 Amazon75.2.80.0/20 | ||||||
| PTR | a4c6c51f8b10d0080.awsglobalaccelerator.com | ||||||
| A | 99.83.196.71🇺🇸 Amazon99.83.192.0/20 | ||||||
| NS | ns1.hosting.co.kr ⭐ | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns3.hosting.co.kr | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| SOA | ns1.hosting.co.kradmin@mdu.kr serial=1 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2606300857 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.hosting.co.kr2026-02-24 → 2026-06-30 · 2 obs
● 2026-06-30 09:13:38
●NSns2.hosting.co.kr2026-02-24 → 2026-06-30 · 2 obs
● 2026-06-30 09:13:38
●NSns3.hosting.co.kr2026-02-24 → 2026-06-30 · 2 obs
● 2026-06-30 09:13:38
●NSns4.hosting.co.kr2026-02-24 → 2026-06-30 · 2 obs
● 2026-06-30 09:13:38
●A75.2.85.422026-02-24 → 2026-06-30 · 9 obs
○ 2026-03-27 13:57:40
● 2026-04-28 18:46:46
○ 2026-05-01 13:25:00
● 2026-05-09 22:29:52
○ 2026-05-11 21:46:00
● 2026-06-11 19:35:02
○ 2026-06-20 10:23:04
● 2026-06-30 09:13:38
●A99.83.196.712026-02-24 → 2026-06-30 · 9 obs
○ 2026-03-27 13:57:40
● 2026-04-28 18:46:46
○ 2026-05-01 13:25:00
● 2026-05-09 22:29:52
○ 2026-05-11 21:46:00
● 2026-06-11 19:35:02
○ 2026-06-20 10:23:04
● 2026-06-30 09:13:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| mdu.kr | ns2.hosting.co.kr, ns4.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr | - |
✅ Authoritative Response
Server:121.254.170.12
NS records: ns2.hosting.co.kr, ns4.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdu.kr (unsigned zone)
⏱️ Timing
Total: 1756ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 75.2.85.42, 99.83.196.71 |
| NS | 4 | ns1.hosting.co.kr, ns3.hosting.co.kr... |
| SOA | 1 | ns1.hosting.co.kr admin.mdu.kr |
Analysis
IP Addresses
mdu.kr directs to two IP numbers, 75.2.85.42 and 99.83.196.71
bestfirst.com, 4cut.net, rrg.kr plus two other host names have IP numbers in common with mdu.kr.
Name Servers
Four name servers handle the delegation for mdu.kr: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
mdu.kr has at least partial name server overlap with other domains, such as autosim.co.kr, klippay.com, hottie.co.kr and two others.
Four hostnames each with a single A record: ns1.hosting.co.kr → 121.254.170.11, ns2.hosting.co.kr → 43.201.141.93, ns3.hosting.co.kr → 121.254.170.12, ns4.hosting.co.kr → 43.201.141.93. ns2.hosting.co.kr and ns4.hosting.co.kr both direct to 43.201.141.93.
Both ns2.hosting.co.kr and ns4.hosting.co.kr resolve to 43.201.141.93 IP addresses each.