syschoice.co.kr - robtex.com
syschoice.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.254.222.73🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.cjint.kr ⭐ ⚠️ Not in parent delegation | ||||||
| A | 121.254.222.73🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | dns1.syschoice.co.kr ⚠️ Not in zone NS records | ||||||
| A | 121.254.222.73🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns.cjint.kr ⚠️ Not in parent delegation | ||||||
| A | 121.254.222.73🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns.syschoice.co.kr ⚠️ Not in zone NS records | ||||||
| A | 121.254.222.73🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| MX | ma214.mailplug.co.kr ⭐ | ||||||
| A | 222.122.219.214🇰🇷 KT-NET222.122.0.0/16 Korea Telecom, Seoul, Korea | ||||||
| PTR | ma214.mailplug.co.kr | ||||||
| TXT | v=spf1 mx include:mailplug.com ~all | ||||||
| SOA | ns.cjint.krroot@cjint.kr 2023-03-27 #16 | ||||||
co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2607241027 | ||||||
DNS History
8 records (6 active, 2 former)
●NSdns1.syschoice.co.kr2015-09-01 → 2026-07-24 · 2 obs
● 2026-07-24 19:38:10
●NSns.cjint.kr2026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 19:38:06
● 2026-07-24 19:38:10
○NSns.iamall.co.kr2015-09-01 → 2016-12-28 · 4 obs
● 2016-12-28 14:27:36
○ 2026-07-24 19:38:06
○ 2026-07-24 19:38:10
●NSns.syschoice.co.kr2026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 19:38:06
● 2026-07-24 19:38:10
●NSns2.cjint.kr2026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 19:38:06
● 2026-07-24 19:38:10
●MXma214.mailplug.co.kr2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 19:38:10
●A121.254.222.732026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 19:38:06
● 2026-07-24 19:38:10
○A218.150.78.512015-09-01 → 2016-12-28 · 4 obs
● 2016-12-28 14:27:36
○ 2026-07-24 19:38:06
○ 2026-07-24 19:38:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| syschoice.co.kr | ns.syschoice.co.kr, dns1.syschoice.co.kr | 2 records |
✅ Authoritative Response
Server:121.254.222.73
NS records: ns.syschoice.co.kr, dns1.syschoice.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for syschoice.co.kr (unsigned zone)
⏱️ Timing
Total: 1025ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.254.222.73 |
| NS | 2 | ns2.cjint.kr, ns.cjint.kr |
| MX | 1 | ma214.mailplug.co.kr (pri: 10) |
| TXT | 1 | v=spf1 mx include:mailplug.com ~all |
| SOA | 1 | ns.cjint.kr root.cjint.kr |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns.syschoice.co.kr, dns1.syschoice.co.kr)
Analysis
IP Addresses
syschoice.co.kr points to a single IP number: 121.254.222.73.
Additional host names — yeongnamopera.com, *.jkmts.com, sjrehab.or.kr and two others — share IP numbers with syschoice.co.kr.
Name Servers
syschoice.co.kr has four authoritative name servers: ns2.cjint.kr, ns.cjint.kr, dns1.syschoice.co.kr and ns.syschoice.co.kr.
The name servers of syschoice.co.kr overlap at least partially with those of other domains — among them yeongnamopera.com, sjrehab.or.kr, jcr.kr and two more.
These name servers commonly appear in combination with the name servers aracne.daeilwindow.com.
ns2.cjint.kr, ns.cjint.kr, dns1.syschoice.co.kr and ns.syschoice.co.kr all direct traffic to the IP address 121.254.222.73.
The host names ns2.cjint.kr, ns.cjint.kr, dns1.syschoice.co.kr and ns.syschoice.co.kr all point to 121.254.222.73.
Mail Servers
syschoice.co.kr has one mail server: ma214.mailplug.co.kr.
syschoice.co.kr shares the same mail server setup as other domains, including dgarte.or.kr, dvma.or.kr, ksuri.com and two others.
ma214.mailplug.co.kr resolves to 222.122.219.214 and no other IP number.