gnu21.com - robtex.com
gnu21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.111.242.28🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| NS | ns1.hosting.co.kr ⭐ | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns3.hosting.co.kr | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| SOA | ns1.hosting.co.kradmin@gnu21.com serial=11 | ||||||
com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1794352161 | ||||||
Same first word
gnu21.com |
Similar names
u12ng.top |
12ung.top |
gun12.com |
nu12g.cn |
un12g.top |
n12ug.top |
nug12.biz.id |
nug12.web.id |
n21ug.top |
nu21g.top |
21gun.com |
2ung1.workers.dev |
un21g.top |
nug12.top |
21ung.top |
u21ng.top |
nug12.my.id |
Previous names
Next names
gnu2ewe.com |
gnu2marketing.com |
gnu2u.com |
gnu3.com |
gnu37.com |
gnu382.com |
gnu3dsolutions.com |
gnu4.com |
gnu41om64qq-gooh.com |
gnu4u.com |
gnu4you.com |
gnu5.com |
gnu58kj5.com |
gnu6.com |
gnu7.com |
gnu8.com |
DNS History
6 records (5 active, 1 former)
●NSns1.hosting.co.kr2015-07-19 → 2026-11-10 · 5 obs
● 2017-03-16 00:36:34
○ 2026-09-06 22:44:40
● 2026-10-12 02:01:48
● 2026-11-10 23:35:38
●NSns2.hosting.co.kr2015-07-19 → 2026-11-10 · 5 obs
● 2017-03-16 00:36:34
○ 2026-09-06 22:44:40
● 2026-10-12 02:01:48
● 2026-11-10 23:35:38
●NSns3.hosting.co.kr2026-08-24 → 2026-11-10 · 5 obs
● 2026-08-24 18:17:34
○ 2026-09-06 22:44:40
● 2026-10-12 02:01:48
● 2026-11-10 23:35:38
●NSns4.hosting.co.kr2026-08-24 → 2026-11-10 · 5 obs
● 2026-08-24 18:17:34
○ 2026-09-06 22:44:40
● 2026-10-12 02:01:48
● 2026-11-10 23:35:38
○A1.234.2.1222015-07-19 → 2017-03-16 · 4 obs
● 2017-03-16 00:36:34
○ 2026-08-24 18:17:34
○ 2026-11-10 23:35:38
●A183.111.242.282026-08-24 → 2026-11-10 · 7 obs
● 2026-08-24 18:17:34
○ 2026-09-06 22:44:40
● 2026-10-12 02:01:48
○ 2026-10-22 03:31:20
● 2026-10-24 09:48:22
● 2026-11-10 23:35:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net... | - |
| gnu21.com | ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr | - |
✅ Authoritative Response
Server:121.254.170.12
NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gnu21.com (unsigned zone)
⏱️ Timing
Total: 1298ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.242.28 |
| NS | 4 | ns2.hosting.co.kr, ns4.hosting.co.kr... |
| SOA | 1 | ns1.hosting.co.kr admin.gnu21.com |
Analysis
IP Addresses
gnu21.com has exactly one IP address — 183.111.242.28.
zerokitchen.co.kr, simboard.kr, ysno1.com plus two other host names have IP numbers in common with gnu21.com.
Name Servers
Four name servers handle the delegation for gnu21.com: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.
gnu21.com has at least partial name server overlap with other domains, such as rentaldata.life, passbook.today, nichebox.kr and two others.
Four hostnames each with a single A record: ns1.hosting.co.kr → 121.254.170.11, ns2.hosting.co.kr → 43.201.141.93, ns3.hosting.co.kr → 121.254.170.12, ns4.hosting.co.kr → 43.201.141.93. ns2.hosting.co.kr and ns4.hosting.co.kr both direct to 43.201.141.93.
Both ns2.hosting.co.kr and ns4.hosting.co.kr resolve to 43.201.141.93 IP addresses each.