`ubitron.co.kr`

DNSSEC	⚠️ Not signed
A	183.111.100.219^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`ubitron.co.kr` ⭐
		A	183.111.100.219^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`ns.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns.ubitron.co.kr` ⚠️ Not in parent delegation
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns1.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.ubitron.co.kr` ⚠️ Not in parent delegation
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns2.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns2.ubitron.co.kr` ⚠️ Not in parent delegation
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns3.giantsoft.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns3.ubitron.co.kr` ⚠️ Not in parent delegation
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
MX	`mailapp.hiworks.co.kr` ⭐
		A	45.120.71.59^{🇰🇷 DACOM-NET45.120.71.0/24}
			PTR	`mailapp.hiworks.co.kr`
		A	121.254.168.55^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
			PTR	`mailapp.hiworks.co.kr`
		A	211.47.76.59^{🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route}
			PTR	`mailapp.hiworks.co.kr`
TXT	`v=spf1 include:spf.hiworks.co.kr ~all`
SOA	`ubitron.co.kr`postmaster@ubitron.co.kr serial=20210426

`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.kr`domain-manager@nic.or.kr serial=2608100779

WOT: UNKNOWN (62/100)

NS for

ubitron.co.kr

Subdomains

ns2.ubitron.co.kr

ns3.ubitron.co.kr

ns1.ubitron.co.kr

ns.ubitron.co.kr

Same first word

ubitron.eu

ubitron.co.kr

ubitron.de

ubitron.org

ubitron.com

ubitron.eu.org

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DNS History

11 records (11 active, 0 former)

●NSns.giantsoft.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSns.ubitron.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSns1.giantsoft.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSns1.ubitron.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSns2.giantsoft.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSns2.ubitron.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSns3.giantsoft.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSns3.ubitron.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●NSubitron.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●MXmailapp.hiworks.co.kr2026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

●A183.111.100.2192026-06-01 → 2026-08-10 · 2 obs

● 2026-06-01 09:33:56
● 2026-08-10 07:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
ubitron.co.kr	ns.giantsoft.co.kr, ns2.giantsoft.co.kr, ns1.giantsoft.co.kr, ns3.giantsoft.co.kr	4 records

✅ Authoritative Response

Server:218.145.65.143

NS records: ns.giantsoft.co.kr, ns2.giantsoft.co.kr, ns1.giantsoft.co.kr, ns3.giantsoft.co.kr

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ubitron.co.kr: Error: DNS query timeout: 210.101.60.1 for DS ubitron.co.kr

⏱️ Timing

Total: 4573ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.111.100.219`
NS	4	`ns.ubitron.co.kr, ns2.ubitron.co.kr...`
MX	1	`mailapp.hiworks.co.kr (pri: 10)`
TXT	1	`v=spf1 include:spf.hiworks.co.kr ~all`
SOA	1	`ubitron.co.kr postmaster.ubitron.co.kr`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.giantsoft.co.kr, ns2.giantsoft.co.kr, ns1.giantsoft.co.kr...)

Analysis

Hierarchy

ubitron.co.kr has four subdomains: ns2.ubitron.co.kr, ns3.ubitron.co.kr, ns1.ubitron.co.kr and ns.ubitron.co.kr.

Name Server Role

The NS records for ubitron.co.kr point back to ubitron.co.kr itself.

ns1.giantsoft.co.kr, ns2.giantsoft.co.kr and ns3.giantsoft.co.kr are often grouped with ubitron.co.kr to function as name servers.

IP Addresses

ubitron.co.kr resolves to just one IP address, 183.111.100.219.

Two other host names, along with oksung.com, ncarei.com and jeilspain.net, also share IP numbers with ubitron.co.kr.

Name Servers

ubitron.co.kr carries NS delegation across 9 name servers — ubitron.co.kr, ns1.giantsoft.co.kr, ns2.giantsoft.co.kr and 6 other.

There is at least partial name server overlap between ubitron.co.kr and other domains — appareltech.co.kr, kpmtech.co.kr, sangbo.co.kr and two more among them.

These name servers are routinely deployed together with the name servers ns.giantsoft.co.kr.

Host names that point to one IP address:

ubitron.co.kr resolves to the IP address 183.111.100.219.

ns1.giantsoft.co.kr resolves to the IP address 116.126.143.226.

ns2.giantsoft.co.kr resolves to the IP address 218.145.65.144.

ns3.giantsoft.co.kr resolves to the IP address 116.126.143.225.

ns.giantsoft.co.kr resolves to the IP address 218.145.65.143.

ns1.ubitron.co.kr resolves to the IP address 116.126.143.226.

ns2.ubitron.co.kr resolves to the IP address 218.145.65.144.

ns3.ubitron.co.kr resolves to the IP address 116.126.143.225.

ns.ubitron.co.kr resolves to the IP address 218.145.65.143.

ns1.giantsoft.co.kr and ns1.ubitron.co.kr each have 116.126.143.226 IP addresses.

ns2.giantsoft.co.kr and ns2.ubitron.co.kr each have 218.145.65.144 IP addresses.

ns3.giantsoft.co.kr and ns3.ubitron.co.kr each have 116.126.143.225 IP addresses.

ns.giantsoft.co.kr and ns.ubitron.co.kr each have 218.145.65.143 IP addresses.

Mail Servers

The sole mail server for ubitron.co.kr is mailapp.hiworks.co.kr.

Among the domains sharing a mail server setup with ubitron.co.kr are seoan.com, nemokorea.co.kr, es-is.co.kr and two others.

Some mail servers of ubitron.co.kr are also used by other domains, notably gstarcad.co.kr and engistech.com.

The hostname mailapp.hiworks.co.kr carries three IP records: 45.120.71.59, 121.254.168.55 and 211.47.76.59.

ubitron.co.kr - robtex.com

ubitron.co.kr

co.kr

NS for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Name Server Role

IP Addresses

Name Servers

Mail Servers

`ubitron.co.kr`

`co.kr`