dcoe.kr - robtex.com
dcoe.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.254.222.79🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns1.sedns.kr ⭐ | ||||||
| A | 121.254.222.42🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.sedns.kr | ||||||
| A | 121.254.222.43🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns3.sedns.kr | ||||||
| A | 14.63.214.131🇰🇷 KT-NET14.56.0.0/13 Korea Telecom | ||||||
| PTR | ns3.sedns.kr | ||||||
| MX | mail.dcoe.kr ⭐ | ||||||
| A | 121.254.222.79🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| TXT | v=spf1 ip4:121.254.222.79 ~all | ||||||
| SOA | ns1.sedns.kradmin@sedns.kr 2025-07-09 #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=2610130947 | ||||||
Subdomains
mail.dcoe.kr |
Same first word
Similar names
Previous names
dclay.kr |
dclean.kr |
dclink.kr |
dcloud.kr |
dclub.kr |
dcm.kr |
dcm24.kr |
dcmart.kr |
dcmcorp.kr |
dcmf.kr |
dcmm.kr |
dcmoa.kr |
dcmonster.kr |
dcmys.kr |
dcn.kr |
dcnews.kr |
dcns.kr |
dco.kr |
dcode.kr |
dcodelab.kr |
Next names
dcof.kr |
dcofficetown.kr |
dcom.kr |
dcombine.kr |
dcompany.kr |
dcon.kr |
dconnect.kr |
dcook.kr |
dcookb.kr |
dcookgift.kr |
dcore.kr |
dcover.kr |
dcp.kr |
dcpack.kr |
dcpc.kr |
dcpension.kr |
dcpkorea.kr |
dcre.kr |
dcreativelab.kr |
DNS History
9 records (5 active, 4 former)
○NSns.secuidc.com2026-03-11 → 2026-03-23 · 5 obs
○ 2026-03-17 21:17:34
● 2026-03-23 07:46:42
○ 2026-04-05 22:17:30
○ 2026-10-13 12:40:08
●NSns1.sedns.kr2026-04-28 → 2026-10-13 · 3 obs
● 2026-04-28 17:17:54
● 2026-10-13 12:40:08
○NSns2.secuidc.com2026-03-11 → 2026-03-23 · 5 obs
○ 2026-03-17 21:17:34
● 2026-03-23 07:46:42
○ 2026-04-05 22:17:30
○ 2026-10-13 12:40:08
●NSns2.sedns.kr2026-04-28 → 2026-10-13 · 3 obs
● 2026-04-28 17:17:54
● 2026-10-13 12:40:08
○NSns3.secuidc.com2026-03-11 → 2026-03-23 · 5 obs
○ 2026-03-17 21:17:34
● 2026-03-23 07:46:42
○ 2026-04-05 22:17:30
○ 2026-10-13 12:40:08
●NSns3.sedns.kr2026-04-28 → 2026-10-13 · 3 obs
● 2026-04-28 17:17:54
● 2026-10-13 12:40:08
●MXmail.dcoe.kr2026-03-11 → 2026-10-13 · 6 obs
○ 2026-03-17 21:17:34
● 2026-03-23 07:46:42
○ 2026-04-05 22:17:30
● 2026-04-28 17:17:54
● 2026-10-13 12:40:08
●A121.254.222.792026-04-28 → 2026-10-13 · 3 obs
● 2026-04-28 17:17:54
● 2026-10-13 12:40:08
○A218.150.79.702026-03-11 → 2026-03-23 · 5 obs
○ 2026-03-17 21:17:34
● 2026-03-23 07:46:42
○ 2026-04-05 22:17:30
○ 2026-10-13 12:40:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | d.dns.kr, f.dns.kr, b.dns.kr, g.dns.kr... | 10 records |
| dcoe.kr | ns1.sedns.kr, ns2.sedns.kr, ns3.sedns.kr | 3 records |
✅ Authoritative Response
Server:121.254.222.43
NS records: ns1.sedns.kr, ns2.sedns.kr, ns3.sedns.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dcoe.kr (unsigned zone)
⏱️ Timing
Total: 4238ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.254.222.79 |
| NS | 3 | ns2.sedns.kr, ns1.sedns.kr... |
| MX | 1 | mail.dcoe.kr (pri: 10) |
| TXT | 1 | v=spf1 ip4:121.254.222.79 ~all |
| SOA | 1 | ns1.sedns.kr admin.sedns.kr |
📌 Glue Records Collected
Total: 13
In-bailiwick: 10 (g.dns.kr, f.dns.kr, e.dns.kr...)
Out-of-bailiwick: 3 (ns1.sedns.kr, ns2.sedns.kr, ns3.sedns.kr)
Analysis
Hierarchy
dcoe.kr serves as the parent of mail.dcoe.kr.
IP Addresses
dcoe.kr resolves to just one IP address, 121.254.222.79.
dcoe.kr shares its IP numbers with other host names like mail.dcoe.kr, mail.dcoe.or.kr and dcoe.or.kr.
Name Servers
Three name servers are authoritative for dcoe.kr: ns1.sedns.kr, ns2.sedns.kr and ns3.sedns.kr.
dcoe.kr has at least partial name server overlap with other domains, such as pasksn.com, borueng.co.kr, dgwise.or.kr and two others.
Three hostnames, one IP address apiece: ns1.sedns.kr resolves to 121.254.222.42, ns2.sedns.kr resolves to 121.254.222.43 and ns3.sedns.kr resolves to 14.63.214.131.
Mail Servers
The sole mail server for dcoe.kr is mail.dcoe.kr.
There is one IP number for mail.dcoe.kr: 121.254.222.79.