gnu.kr - dns.ninja
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 | ||||||
| TXT | v=spf1 ip4:202.30.55.51 ip4:202.30.55.50 ip4:202.30.55.20 ip4:202.30.55.81 ip... | ||||||
| SOA | ns.gnu.ac.krroot@ns.gnu.ac.kr 2023-08-09 #20 | ||||||
kr
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2607310871 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSns.gnu.ac.kr2018-09-21 → 2026-07-31 · 3 obs
● 2018-09-21 21:38:54
● 2026-07-31 10:32:40
○NSns.gsnu.ac.kr2015-07-15 → 2017-01-23 · 4 obs
● 2017-01-23 05:57:54
○ 2018-09-21 21:38:54
○ 2026-07-31 10:32:40
●NSns2.kornet.net2026-02-28 → 2026-07-31 · 3 obs
● 2026-02-28 11:17:50
● 2026-07-31 10:32:40
○MXgmx51.mailplug.com2026-02-28 → 2026-07-08 · 24 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
○ 2026-05-10 15:09:00
● 2026-05-15 03:22:14
● 2026-05-21 02:16:58
○ 2026-05-31 01:40:30
○ 2026-06-10 02:08:14
● 2026-06-11 04:16:56
○ 2026-06-11 11:06:02
● 2026-06-14 21:16:38
● 2026-06-17 20:46:00
○ 2026-06-17 23:36:18
● 2026-07-08 09:19:44
○ 2026-07-10 11:35:08
○ 2026-07-31 10:32:40
○MXspam.gnu.kr2015-07-15 → 2018-09-21 · 4 obs
● 2018-09-21 21:38:54
○ 2026-02-28 11:17:50
○ 2026-07-31 10:32:40
○MXzmx908.mailplug.com2026-02-28 → 2026-07-08 · 24 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
○ 2026-05-10 15:09:00
● 2026-05-15 03:22:14
● 2026-05-21 02:16:58
○ 2026-05-31 01:40:30
○ 2026-06-10 02:08:14
● 2026-06-11 04:16:56
○ 2026-06-11 11:06:02
● 2026-06-14 21:16:38
● 2026-06-17 20:46:00
○ 2026-06-17 23:36:18
● 2026-07-08 09:19:44
○ 2026-07-10 11:35:08
○ 2026-07-31 10:32:40
●A103.55.189.1992026-03-10 → 2026-07-31 · 29 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
○ 2026-05-09 19:52:22
○ 2026-05-10 07:04:32
● 2026-05-10 15:09:00
○ 2026-05-15 03:22:14
● 2026-05-21 02:16:58
● 2026-05-31 01:40:30
○ 2026-06-10 02:08:14
● 2026-06-11 04:16:56
○ 2026-06-11 11:06:02
● 2026-06-14 21:16:38
○ 2026-06-14 22:07:58
○ 2026-06-17 11:42:04
● 2026-06-17 20:46:00
○ 2026-06-17 23:36:18
● 2026-07-08 09:19:44
○ 2026-07-10 11:35:08
● 2026-07-31 10:32:38
● 2026-07-31 10:32:40
○A203.255.1.252015-07-15 → 2018-09-21 · 4 obs
● 2018-09-21 21:38:54
○ 2026-02-28 11:17:50
○ 2026-07-31 10:32:40
🔍 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: 4635ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.55.189.199 |
Analysis
Hierarchy
gnu.kr serves as the parent of nongae.gnu.kr and mail.gnu.kr.
IP Addresses
gnu.kr has exactly one IP address — 103.55.189.199.
gnu.ac.kr, abeek.gnu.ac.kr and www.gnu.ac.kr are examples of other host names that share IP numbers with gnu.kr.
Name Servers
DNS delegation for gnu.kr points to two name servers: ns2.kornet.net and ns.gnu.ac.kr.
gnu.kr shares its name server setup with other domains, such as gsnu.ac.kr and gnu.ac.kr.
gnu.kr shares at least some of its name servers with other domains, including humaxdigital.com, kfisac.org, kofiu.go.kr and two others.
These name servers are frequently seen alongside the name servers ns.kornet.net, ns1.gnu.ac.kr, ns.hite-jinro.com and ns2.kornet.ne.kr.
ns2.kornet.net and ns.gnu.ac.kr each resolve to one IP number: ns2.kornet.net points to 211.216.50.160 and ns.gnu.ac.kr points to 203.255.1.26.