linuxlab.co.kr - robtex.com
linuxlab.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.93.109.70🇰🇷 KT-NET220.92.0.0/14 KORnet operation Center(Korea Telecom) | ||||||
| NS | linuxlab.co.kr ⭐ | ||||||
| A | 220.93.109.70🇰🇷 KT-NET220.92.0.0/14 KORnet operation Center(Korea Telecom) | ||||||
| NS | ns.linuxlab.kr ⚠️ Not in zone NS records | ||||||
| A | 220.93.109.68🇰🇷 KT-NET220.92.0.0/14 KORnet operation Center(Korea Telecom) | ||||||
| NS | ns2.linuxlab.co.kr ⚠️ Not in parent delegation | ||||||
| A | 124.217.209.250 | ||||||
| PTR | ns2.linuxlab.kr | ||||||
| NS | ns2.linuxlab.kr ⚠️ Not in zone NS records | ||||||
| A | 211.234.68.10🇰🇷 HCLC-AS-KR211.234.68.0/24 | ||||||
| MX | mail.linuxlab.co.kr ⭐ | ||||||
| A | 220.93.109.70🇰🇷 KT-NET220.92.0.0/14 KORnet operation Center(Korea Telecom) | ||||||
| SOA | linuxlab.co.krroot@linuxlab.co.kr serial=2707163 | ||||||
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=2606210674 | ||||||
WOT: UNKNOWN (62/100)
NS for
linuxlab.co.kr |
Subdomains
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NSlinuxlab.co.kr2017-06-16 → 2026-06-21 · 3 obs
● 2017-06-16 02:33:02
● 2026-06-21 10:39:06
○NSns.linuxlab.co.kr2015-08-21 → 2016-05-01 · 4 obs
● 2016-05-01 01:46:24
○ 2017-06-16 02:33:02
○ 2026-06-21 10:39:06
●NSns.linuxlab.kr2026-02-17 → 2026-06-21 · 3 obs
● 2026-02-17 09:29:52
● 2026-06-21 10:39:06
●NSns2.linuxlab.co.kr2017-06-16 → 2026-06-21 · 3 obs
● 2017-06-16 02:33:02
● 2026-06-21 10:39:06
●NSns2.linuxlab.kr2026-02-17 → 2026-06-21 · 3 obs
● 2026-02-17 09:29:52
● 2026-06-21 10:39:06
○MXlibra.linuxlab.co.kr2015-08-21 → 2016-05-01 · 4 obs
● 2016-05-01 01:46:24
○ 2017-06-16 02:33:02
○ 2026-06-21 10:39:06
●MXmail.linuxlab.co.kr2015-08-21 → 2026-06-21 · 2 obs
● 2026-06-21 10:39:06
○A218.145.27.902015-08-21 → 2016-05-01 · 4 obs
● 2016-05-01 01:46:24
○ 2017-06-16 02:33:02
○ 2026-06-21 10:39:06
●A220.93.109.702017-06-16 → 2026-06-21 · 3 obs
● 2017-06-16 02:33:02
● 2026-06-21 10:39:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | f.dns.kr, b.dns.kr, c.dns.kr, d.dns.kr... | - |
| linuxlab.co.kr | ns.linuxlab.kr, ns2.linuxlab.kr | - |
✅ Authoritative Response
Server:211.234.68.10
NS records: ns.linuxlab.kr, ns2.linuxlab.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxlab.co.kr (unsigned zone)
⏱️ Timing
Total: 2257ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.93.109.70 |
| NS | 1 | ns2.linuxlab.co.kr |
| MX | 1 | mail.linuxlab.co.kr (pri: 10) |
| SOA | 1 | linuxlab.co.kr root.linuxlab.co.kr |
Analysis
Hierarchy
ns2.linuxlab.co.kr and mail.linuxlab.co.kr are both subdomains of linuxlab.co.kr.
Name Server Role
linuxlab.co.kr acts as a name server for linuxlab.co.kr, meaning it is self-referentially delegated.
linuxlab.co.kr is commonly paired with ns2.linuxlab.kr, ns.linuxlab.kr and ns2.linuxlab.co.kr to act as name servers.
IP Addresses
linuxlab.co.kr resolves to one IP address: 220.93.109.70.
Other host names — linuxlab.kr, mail.linuxlab.co.kr, mail.linuxlab.kr and www.linuxlab.kr — share IP numbers with linuxlab.co.kr.
Name Servers
linuxlab.co.kr has four name servers: linuxlab.co.kr, ns2.linuxlab.kr, ns.linuxlab.kr and ns2.linuxlab.co.kr.
The name servers for linuxlab.co.kr are partially shared with other domains like coreavpn.net, coreavpn.com and linuxlab.kr
These name servers are frequently paired with the name servers ns2.coreavpn.net and ns.coreavpn.com.
Each of the four hosts linuxlab.co.kr, ns2.linuxlab.kr, ns.linuxlab.kr and ns2.linuxlab.co.kr points to a single IP address — linuxlab.co.kr points to 220.93.109.70, ns2.linuxlab.kr points to 211.234.68.10, ns.linuxlab.kr points to 220.93.109.68 and ns2.linuxlab.co.kr points to 124.217.209.250.
Mail Servers
Mail for linuxlab.co.kr is handled by a single mail server, mail.linuxlab.co.kr.
mail.linuxlab.co.kr resolves to a single IP number: 220.93.109.70.