gnu.kr - robtex.com
gnu.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.55.189.199🇰🇷 DACOM-NET103.55.189.0/24 | ||||||
| NS | ns.gnu.ac.kr ⭐ ⚠️ Not in zone NS records | ||||||
| A | 203.255.1.26🇰🇷 GSNU-AS-KR203.255.0.0/18 Proxy-Registered Route Object by LG Dacom(AS3786) | ||||||
| NS | ns2.kornet.net ⚠️ Not in zone NS records | ||||||
| A | 211.216.50.160🇰🇷 KT-NET211.216.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| PTR | ns2.kornet.net | ||||||
| SOA | ns.gnu.ac.krroot@ns.gnu.ac.kr 2023-08-09 #20 | ||||||
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=2605090825 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSns.gnu.ac.kr2018-09-21 → 2026-05-09 · 3 obs
● 2018-09-21 21:38:54
● 2026-05-09 18:46:38
○NSns.gsnu.ac.kr2015-07-15 → 2017-01-23 · 4 obs
● 2017-01-23 05:57:54
○ 2018-09-21 21:38:54
○ 2026-05-09 18:46:38
●NSns2.kornet.net2026-02-28 → 2026-05-09 · 3 obs
● 2026-02-28 11:17:50
● 2026-05-09 18:46:38
○MXgmx51.mailplug.com2026-02-28 → 2026-04-30 · 12 obs
● 2026-02-28 11:17:50
○ 2026-03-10 03:06:44
○ 2026-03-17 04:44:32
● 2026-03-17 21:54:20
○ 2026-03-25 02:40:04
○ 2026-03-31 11:52:48
● 2026-04-15 18:29:08
○ 2026-04-25 21:42:32
● 2026-04-30 01:00:16
○ 2026-05-06 10:48:16
○ 2026-05-09 18:46:38
○MXspam.gnu.kr2015-07-15 → 2018-09-21 · 4 obs
● 2018-09-21 21:38:54
○ 2026-02-28 11:17:50
○ 2026-05-09 18:46:38
○MXzmx908.mailplug.com2026-02-28 → 2026-04-30 · 12 obs
● 2026-02-28 11:17:50
○ 2026-03-10 03:06:44
○ 2026-03-17 04:44:32
● 2026-03-17 21:54:20
○ 2026-03-25 02:40:04
○ 2026-03-31 11:52:48
● 2026-04-15 18:29:08
○ 2026-04-25 21:42:32
● 2026-04-30 01:00:16
○ 2026-05-06 10:48:16
○ 2026-05-09 18:46:38
●A103.55.189.1992026-03-10 → 2026-05-09 · 11 obs
● 2026-03-10 03:06:44
● 2026-03-17 04:44:32
○ 2026-03-17 21:54:20
○ 2026-03-27 00:47:30
● 2026-03-31 11:52:48
● 2026-04-15 18:29:08
○ 2026-04-25 21:42:32
○ 2026-04-30 01:00:16
● 2026-05-06 10:48:16
● 2026-05-09 18:46:38
○A203.255.1.252015-07-15 → 2018-09-21 · 4 obs
● 2018-09-21 21:38:54
○ 2026-02-28 11:17:50
○ 2026-05-09 18:46:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| gnu.kr | ns.gnu.ac.kr, ns2.kornet.net | - |
✅ Authoritative Response
Server:211.216.50.160
NS records: ns.gnu.ac.kr, ns2.kornet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gnu.kr (unsigned zone)
⏱️ Timing
Total: 4633ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.55.189.199 |
| MX | 2 | zmx908.mailplug.com (pri: 10), gmx51.mailplug.com (pri: 10) |
Analysis
Hierarchy
gnu.kr is the parent of www.gnu.kr, et.gnu.kr and eb-ncrc.gnu.kr.
IP Addresses
gnu.kr resolves to one IP number: 103.55.189.199.
Other host names, for instance gnu.ac.kr, abeek.gnu.ac.kr and www.gnu.ac.kr share IP numbers with gnu.kr.
Name Servers
gnu.kr is delegated to two name servers ns2.kornet.net and ns.gnu.ac.kr.
gnu.kr uses the same name server setup as gsnu.ac.kr and gnu.ac.kr.
gnu.kr at least partially shares name servers with other domains, for instance humaxdigital.com, funshinhan.net, kfisac.org, kofiu.go.kr and cheonwon.net.
These name servers are commonly used with the following name servers: ns.kornet.net, ns1.gnu.ac.kr, dr-sndxpa1p.shinhan.com, dr-sndxpa2p.shinhan.com, ns.shinhan.com, sndxpa1p.shinhan.com, sndxpa2p.shinhan.com, xns2.hananet.net, ns2.lgdacom.net and ns.hite-jinro.com.
Host names with one IP number:
ns2.kornet.net points to 211.216.50.160
ns.gnu.ac.kr points to 203.255.1.26