`server27.opencom.kr`

DNSSEC	⚠️ Not signed
A	121.78.88.27^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
		PTR	`servera27.opencom.com`
NS	`server27.opencom.kr` ⭐
		A	121.78.88.27^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera27.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.server27.opencom.kr` ⭐
		A	121.78.88.27^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera27.opencom.com`
TXT	`v=spf1 ip4:121.78.88.27 ~all`
SOA	`server27.opencom.kr`webmaster@server27.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=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...`
	TXT	`globalsign-domain-verification=M1I2eKB5ehXK9ts1A7BJ6TICkJMR6PaI6ovBBw3HfU`
	SOA	`opencom.kr`webmaster@opencom.kr 2003-03-18 #38

NS for

server27.opencom.kr

Subdomains

mail.server27.opencom.kr

Same first word

server27.de

server27.eu

Similar names

server72.lcube-server.de

72server.ru

27server.com

server72.ru

DNS History

5 records (5 active, 0 former)

●NSns.opengogo.com2026-03-01 → 2026-07-14 · 2 obs

● 2026-03-01 20:23:48
● 2026-07-14 21:53:08

●NSns.openhaja.com2026-03-01 → 2026-07-14 · 2 obs

● 2026-03-01 20:23:48
● 2026-07-14 21:53:08

●NSserver27.opencom.kr2026-03-01 → 2026-07-14 · 2 obs

● 2026-03-01 20:23:48
● 2026-07-14 21:53:08

●MXmail.server27.opencom.kr2026-03-01 → 2026-07-14 · 2 obs

● 2026-03-01 20:23:48
● 2026-07-14 21:53:08

●A121.78.88.272026-03-01 → 2026-07-14 · 2 obs

● 2026-03-01 20:23:48
● 2026-07-14 21:53:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, g.dns.kr, f.dns.kr...	-
opencom.kr	ns.opengogo.com, ns.openhaja.com	-

✅ Authoritative Response

Server:121.78.91.66

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opencom.kr (unsigned zone)

⏱️ Timing

Total: 2679ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.78.88.27`
NS	2	`ns.openhaja.com, ns.opengogo.com`
MX	1	`mail.server27.opencom.kr (pri: 10)`
TXT	1	`v=spf1 ip4:121.78.88.27 ~all`
SOA	1	`server27.opencom.kr webmaster.server27.o`

Analysis

Hierarchy

mail.server27.opencom.kr is a subdomain of server27.opencom.kr.

Name Server Role

server27.opencom.kr acts as a name server for server27.opencom.kr, meaning it is self-referentially delegated.

ns.opengogo.com, ns.openhaja.com and server27.opencom.kr are commonly seen together as name servers.

IP Addresses

server27.opencom.kr resolves to one IP address: 121.78.88.27.

server27.opencom.kr shares its IP numbers with other host names, including mail2.hkcne.net, mail.server27.opencom.kr, mail.hkcne.net and servera27.opencom.com.

Name Servers

The NS records for server27.opencom.kr list three name servers: server27.opencom.kr, ns.opengogo.com and ns.openhaja.com.

The name servers of server27.opencom.kr overlap at least partially with those of other domains — among them crossmedi.net, hanulcnb.com, bosun.co.kr and two more.

These name servers commonly appear alongside the name servers ns1.designsoup.co.kr and ns2.designsoup.co.kr.

ns.opengogo.com has IP address 121.78.91.66, ns.openhaja.com has IP address 121.78.91.2 and server27.opencom.kr has IP address 121.78.88.27 — one address each.

Mail Servers

Mail for server27.opencom.kr is handled by a single mail server, mail.server27.opencom.kr.

mail.server27.opencom.kr resolves to 121.78.88.27 and no other IP number.

server27.opencom.kr - robtex.com