cdh.kr - robtex.com
cdh.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 117.52.63.118🇰🇷 DACOM-NET117.52.0.0/16 contact center@kidc.net,(noc@bora.net if necessary,) | ||||||
| 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 | ||||||
| MX | aspmx.daum.net ⭐ | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| MX | alt.aspmx.daum.net(20) | ||||||
| A | 121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao | ||||||
| SOA | ns1.hosting.co.kradmin@cdh.kr serial=5 | ||||||
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=2608160648 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.hosting.co.kr2026-08-03 → 2026-08-16 · 2 obs
● 2026-08-16 07:52:38
●NSns2.hosting.co.kr2026-08-03 → 2026-08-16 · 2 obs
● 2026-08-16 07:52:38
●NSns3.hosting.co.kr2026-08-03 → 2026-08-16 · 2 obs
● 2026-08-16 07:52:38
●NSns4.hosting.co.kr2026-08-03 → 2026-08-16 · 2 obs
● 2026-08-16 07:52:38
●MXalt.aspmx.daum.net2026-08-03 → 2026-08-16 · 2 obs
● 2026-08-16 07:52:38
●A117.52.63.1182026-08-03 → 2026-08-16 · 2 obs
● 2026-08-16 07:52:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| cdh.kr | ns3.hosting.co.kr, ns4.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr | - |
✅ Authoritative Response
Server:43.201.141.93
NS records: ns3.hosting.co.kr, ns4.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdh.kr (unsigned zone)
⏱️ Timing
Total: 3843ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 117.52.63.118 |
| NS | 4 | ns4.hosting.co.kr, ns2.hosting.co.kr... |
| MX | 2 | ASPMX.daum.net (pri: 10), ALT.ASPMX.daum.net (pri: 20) |
| SOA | 1 | ns1.hosting.co.kr admin.cdh.kr |
Analysis
IP Addresses
cdh.kr resolves to one IP address: 117.52.63.118.
There are other host names — korganicboard.com among them — that share IP numbers with cdh.kr.
Name Servers
The authoritative name servers for cdh.kr are ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
There is at least partial name server overlap between cdh.kr and other domains — lotas.com, precheck.co.kr, growthing.co.kr and two more among them.
Each of ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr has exactly one IP address — ns1.hosting.co.kr points to 121.254.170.11, ns2.hosting.co.kr points to 43.201.141.93, ns3.hosting.co.kr points to 121.254.170.12 and ns4.hosting.co.kr points to 43.201.141.93. Note that ns2.hosting.co.kr and ns4.hosting.co.kr share the address 43.201.141.93.
Host names pointing to 43.201.141.93 IP addresses: ns2.hosting.co.kr and ns4.hosting.co.kr.
Mail Servers
Mail for cdh.kr is handled by two mail servers — aspmx.daum.net and alt.aspmx.daum.net.
cdh.kr uses an identical mail server configuration to several other domains — among them eduplusnews.com, rnsys.co.kr, mediahr.kr and two more.
cdh.kr has at least partial mail server overlap with other domains such as h-works.co.kr, cdaws.or.kr, daypin.co.kr and two more.
Both aspmx.daum.net and alt.aspmx.daum.net have a single IP address, 121.53.85.23, and share it.
Host names pointing to 121.53.85.23 IP addresses: aspmx.daum.net and alt.aspmx.daum.net.