ddco.kr - robtex.com
ddco.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 ⚠️ Not in zone NS records | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr ⚠️ Not in zone NS records | ||||||
| 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 | kr1-aspmx1.worksmobile.com ⭐ | ||||||
| A | 125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform | ||||||
| PTR | crcvmail.worksmobile.com | ||||||
| MX | kr1-aspmx2.worksmobile.com(20) | ||||||
| A | 125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform | ||||||
| PTR | crcvmail.worksmobile.com | ||||||
| SOA | ns1.hosting.co.kradmin@ddco.kr serial=2 | ||||||
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=2606290508 | ||||||
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.hosting.co.kr2026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
●NSns2.hosting.co.kr2026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
●NSns3.hosting.co.kr2026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
●NSns4.hosting.co.kr2026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
●MXkr1-aspmx1.worksmobile.com2026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
●MXkr1-aspmx2.worksmobile.com2026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
●A75.2.85.422026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
●A99.83.196.712026-03-01 → 2026-06-28 · 5 obs
● 2026-03-27 22:16:10
○ 2026-05-01 23:25:26
● 2026-05-02 22:06:22
● 2026-06-28 22:07:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | g.dns.kr, d.dns.kr, e.dns.kr, b.dns.kr... | - |
| ddco.kr | ns3.hosting.co.kr, ns4.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr | - |
✅ Authoritative Response
Server:121.254.170.11
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 ddco.kr (unsigned zone)
⏱️ Timing
Total: 1807ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 75.2.85.42, 99.83.196.71 |
| NS | 2 | ns2.hosting.co.kr, ns1.hosting.co.kr |
| MX | 2 | kr1-aspmx2.worksmobile.com (pri: 20), kr1-aspmx1.worksmobile.com (pri: 10) |
| SOA | 1 | ns1.hosting.co.kr admin.ddco.kr |
Analysis
IP Addresses
ddco.kr has two IP addresses: 75.2.85.42 and 99.83.196.71
Additional host names — nanong.co.kr, vgashop.com, xn--o39am4xnpd.com and two others — share IP numbers with ddco.kr.
Name Servers
ddco.kr has four authoritative name servers: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
The name servers of ddco.kr overlap at least partially with those of other domains — among them snic.co.kr, schiermann.com, vid3d.net and two more.
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
ddco.kr has two mail servers: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.
ddco.kr shares the same mail server setup as other domains, including sinkwang.net, ictmarket.or.kr, paor.biz and two others.
ddco.kr shares mail servers — at least in part — with other domains, including dabu.or.kr, riiid.co, yadllie.com and two others.
These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus two others.
Both kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com have a single IP address, 125.209.209.251, and share it.
Host names pointing to 125.209.209.251 IP addresses: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.