server203.opencom.kr - dns.ninja

`server203.opencom.kr`

DNSSEC	⚠️ Not signed
A	121.78.88.203^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
		PTR	`servera203.opencom.com`
NS	`server203.opencom.kr` ⭐
		A	121.78.88.203^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera203.opencom.com`
NS	`ns.opengogo.com` ⚠️ Not in parent delegation
		A	121.78.91.66^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`serverb66.opencom.com`
NS	`ns.openhaja.com` ⚠️ Not in parent delegation
		A	121.78.91.2^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`serverb2.opencom.com`
MX	`mail.server203.opencom.kr` ⭐
		A	121.78.88.203^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera203.opencom.com`
TXT	`v=spf1 ip4:121.78.88.203 ~all`
SOA	`server203.opencom.kr`webmaster@server203.opencom.kr 2009-07-15 #2

`opencom.kr`

	DNSSEC	⚠️ Not signed
	A	121.78.91.10^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
	NS	`opencom.kr` ⭐
	NS	`ns.opengogo.com`
	NS	`ns.openhaja.com`
	NS	`ns.test.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns.test2.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns.test3.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.deco220.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.han.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.lvs.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.myhome.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.rbtest.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server120.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server122.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server144.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server201.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server203.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server27.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server28.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server83.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.server84.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.servera120.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.servera122.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.servera167.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.servera26.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.servera92.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.shost.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns1.vt.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.deco220.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.han.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.lvs.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.myhome.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.rbtest.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server120.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server122.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server144.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server201.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server203.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server27.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server28.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server83.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.server84.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.servera120.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.servera122.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.servera167.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.servera26.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.servera92.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.shost.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.test.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.test2.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.test3.opencom.kr` ⚠️ Not in parent delegation
	NS	`ns2.vt.opencom.kr` ⚠️ Not in parent delegation
	MX	`mail.opencom.kr` ⭐
	TXT	`globalsign-domain-verification=M1I2eKB5ehXK9ts1A7BJ6TICkJMR6PaI6ovBBw3HfU`
	TXT	`_globalsign-domain-verification=5c6pcueu1Dd3rBJq61vmGiuOIpPghtp2bWP7_10ABT`
	TXT	`v=spf1 ip4:121.78.189.26 ip4:121.78.91.10 ip4:121.78.189.6 ip4:121.78.91.24 i...`
	SOA	`opencom.kr`webmaster@opencom.kr 2003-03-18 #38

NS for

server203.opencom.kr

Subdomains

mail.server203.opencom.kr

Same first word

server203.ir

Similar names

server302.com

server032.df.gov.br

023server.net

server320.com

DNS History

5 records (5 active, 0 former)

●NSns.opengogo.com2026-04-29 → 2026-07-20 · 2 obs

● 2026-04-29 22:08:00
● 2026-07-20 22:15:46

●NSns.openhaja.com2026-04-29 → 2026-07-20 · 2 obs

● 2026-04-29 22:08:00
● 2026-07-20 22:15:46

●NSserver203.opencom.kr2026-04-29 → 2026-07-20 · 2 obs

● 2026-04-29 22:08:00
● 2026-07-20 22:15:46

●MXmail.server203.opencom.kr2026-04-29 → 2026-07-20 · 2 obs

● 2026-04-29 22:08:00
● 2026-07-20 22:15:46

●A121.78.88.2032026-04-29 → 2026-07-20 · 2 obs

● 2026-04-29 22:08:00
● 2026-07-20 22:15:46

🔍 DNS Trace

Analysis

Hierarchy

server203.opencom.kr is a parent domain of mail.server203.opencom.kr.

Name Server Role

server203.opencom.kr serves as a name server for itself — server203.opencom.kr is its own authoritative name server.

ns.opengogo.com and ns.openhaja.com frequently appear as name servers alongside server203.opencom.kr.

IP Addresses

server203.opencom.kr points to a single IP number: 121.78.88.203.

Host names such as servera203.opencom.com and mail.server203.opencom.kr share IP numbers with server203.opencom.kr.

Name Servers

Three name servers handle the delegation for server203.opencom.kr: server203.opencom.kr, ns.opengogo.com and ns.openhaja.com.

server203.opencom.kr shares at least some of its name servers with other domains, including mjh.or.kr, yesmbs.com, lvs.opencom.kr and two others.

These name servers are frequently paired with the name servers ns1.designsoup.co.kr and ns2.designsoup.co.kr.

The hostnames ns.opengogo.com, ns.openhaja.com and server203.opencom.kr each resolve to a single IP: ns.opengogo.com → 121.78.91.66, ns.openhaja.com → 121.78.91.2, server203.opencom.kr → 121.78.88.203.

Mail Servers

server203.opencom.kr has one mail server: mail.server203.opencom.kr.

mail.server203.opencom.kr directs to just one IP number, 121.78.88.203.