dkcool.com - dns.ninja
dkcool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.254.229.51🇰🇷 DACOM-NET121.254.128.0/17 contact 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 | mail.gobizmail.com ⭐ | ||||||
| A | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix | ||||||
| PTR | ec2-13-223-25-84.compute-1.amazonaws.com | ||||||
| A | 54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-54-243-117-197.compute-1.amazonaws.com | ||||||
| SOA | ns1.hosting.co.kradmin@dkcool.com serial=18 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783926842 | ||||||
Subdomains
mail.dkcool.com |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.hosting.co.kr2015-05-15 → 2026-07-13 · 2 obs
● 2026-07-13 07:27:32
●NSns2.hosting.co.kr2015-05-15 → 2026-07-13 · 2 obs
● 2026-07-13 07:27:32
●NSns3.hosting.co.kr2026-04-07 → 2026-07-13 · 3 obs
● 2026-04-07 15:39:44
● 2026-07-13 07:27:32
●NSns4.hosting.co.kr2026-04-07 → 2026-07-13 · 3 obs
● 2026-04-07 15:39:44
● 2026-07-13 07:27:32
●MXmail.gobizmail.com2015-05-15 → 2026-07-13 · 2 obs
● 2026-07-13 07:27:32
●A121.254.229.512015-05-15 → 2026-07-13 · 2 obs
● 2026-07-13 07:27:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net... | - |
| dkcool.com | ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr | - |
✅ Authoritative Response
Server:43.201.141.93
NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dkcool.com (unsigned zone)
⏱️ Timing
Total: 1810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.254.229.51 |
| NS | 4 | ns3.hosting.co.kr, ns1.hosting.co.kr... |
| MX | 1 | mail.gobizmail.com (pri: 10) |
| SOA | 1 | ns1.hosting.co.kr admin.dkcool.com |
Analysis
Hierarchy
mail.dkcool.com is delegated beneath dkcool.com.
IP Addresses
dkcool.com points to a single IP number: 121.254.229.51.
Additional host names — amber1.co.kr, smmetal.kr, sungdang.co.kr and two others — share IP numbers with dkcool.com.
Name Servers
dkcool.com has four authoritative name servers: 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 dkcool.com and other domains — sbs-daejeon.com, privat.kr, goudberg.com and two more among them.
ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr each resolve to a single IP address: ns1.hosting.co.kr resolves to 121.254.170.11, ns2.hosting.co.kr resolves to 43.201.141.93, ns3.hosting.co.kr resolves to 121.254.170.12 and ns4.hosting.co.kr resolves to 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
dkcool.com has one mail server: mail.gobizmail.com.
dkcool.com shares the same mail server setup as other domains, including baroedu.com, tinver.com, ating.co.kr and two others.
dkcool.com shares mail servers — at least in part — with other domains, including imseonoc.com, ikta.co.kr, yenare.com and two others.
mail.gobizmail.com resolves to four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.