server28.opencom.kr - dns.ninja

`server28.opencom.kr`

DNSSEC	⚠️ Not signed
A	121.78.88.28^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
		PTR	`servera28.opencom.com`
NS	`server28.opencom.kr` ⭐
		A	121.78.88.28^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera28.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.server28.opencom.kr` ⭐
		A	121.78.88.28^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera28.opencom.com`
TXT	`v=spf1 ip4:121.78.88.28 ~all`
SOA	`server28.opencom.kr`webmaster@server28.opencom.kr 2020-10-23 #3

`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

server28.opencom.kr

Subdomains

ns1.server28.opencom.kr

ns2.server28.opencom.kr

mail.server28.opencom.kr

Same first word

server28.eu

Similar names

server82.lcube-server.de

DNS History

5 records (5 active, 0 former)

●NSns.opengogo.com2026-04-27 → 2026-07-21 · 2 obs

● 2026-04-27 23:13:38
● 2026-07-21 09:07:36

●NSns.openhaja.com2026-04-27 → 2026-07-21 · 2 obs

● 2026-04-27 23:13:38
● 2026-07-21 09:07:36

●NSserver28.opencom.kr2026-04-27 → 2026-07-21 · 2 obs

● 2026-04-27 23:13:38
● 2026-07-21 09:07:36

●MXmail.server28.opencom.kr2026-04-27 → 2026-07-21 · 2 obs

● 2026-04-27 23:13:38
● 2026-07-21 09:07:36

●A121.78.88.282026-04-27 → 2026-07-21 · 2 obs

● 2026-04-27 23:13:38
● 2026-07-21 09:07:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	d.dns.kr, b.dns.kr, c.dns.kr, g.dns.kr...	-
opencom.kr	ns.openhaja.com, ns.opengogo.com	-

✅ Authoritative Response

Server:121.78.91.66

NS records: ns.openhaja.com, ns.opengogo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opencom.kr (unsigned zone)

⏱️ Timing

Total: 4313ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.78.88.28`
NS	2	`ns.openhaja.com, ns.opengogo.com`
MX	1	`mail.server28.opencom.kr (pri: 10)`
TXT	1	`v=spf1 ip4:121.78.88.28 ~all`
SOA	1	`server28.opencom.kr webmaster.server28.o`

Analysis

Hierarchy

The domain server28.opencom.kr is parent to ns1.server28.opencom.kr, ns2.server28.opencom.kr and mail.server28.opencom.kr.

Name Server Role

The NS records for server28.opencom.kr point back to server28.opencom.kr itself.

ns.opengogo.com and ns.openhaja.com are often used as name servers in combination with server28.opencom.kr.

IP Addresses

server28.opencom.kr resolves to just one IP address, 121.78.88.28.

Other host names — ns2.server28.opencom.kr, mail.server28.opencom.kr, ns1.server28.opencom.kr and servera28.opencom.com — share IP numbers with server28.opencom.kr.

Name Servers

server28.opencom.kr is delegated to three name servers: server28.opencom.kr, ns.opengogo.com and ns.openhaja.com.

At least some of server28.opencom.kr's name servers are shared with other domains, for example mail148.opencom.com, doctor-ivy.com, kseye.co.kr and two more.

These name servers tend to be deployed in combination with the name servers ns1.designsoup.co.kr and ns2.designsoup.co.kr.

ns.opengogo.com, ns.openhaja.com and server28.opencom.kr each resolve to a single IP address: ns.opengogo.com resolves to 121.78.91.66, ns.openhaja.com resolves to 121.78.91.2 and server28.opencom.kr resolves to 121.78.88.28.

Mail Servers

The sole mail server for server28.opencom.kr is mail.server28.opencom.kr.

mail.server28.opencom.kr resolves to a single IP number: 121.78.88.28.