`servera167.opencom.kr`

DNSSEC	⚠️ Not signed
A	121.78.88.167^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
		PTR	`servera167.opencom.com`
NS	`servera167.opencom.kr` ⭐
		A	121.78.88.167^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera167.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.servera167.opencom.kr` ⭐
		A	121.78.88.167^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
			PTR	`servera167.opencom.com`
SOA	`servera167.opencom.kr`webmaster@servera167.opencom.kr 2014-01-03 #4

`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	`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`
	TXT	`_globalsign-domain-verification=5c6pcueu1Dd3rBJq61vmGiuOIpPghtp2bWP7_10ABT`
	SOA	`opencom.kr`webmaster@opencom.kr 2003-03-18 #38

NS for

servera167.opencom.kr

Subdomains

mail.servera167.opencom.kr

DNS History

5 records (5 active, 0 former)

●NSns.opengogo.com2026-02-23 → 2026-07-05 · 2 obs

● 2026-02-23 22:03:10
● 2026-07-05 03:33:20

●NSns.openhaja.com2026-02-23 → 2026-07-05 · 2 obs

● 2026-02-23 22:03:10
● 2026-07-05 03:33:20

●NSservera167.opencom.kr2026-02-23 → 2026-07-05 · 2 obs

● 2026-02-23 22:03:10
● 2026-07-05 03:33:20

●MXmail.servera167.opencom.kr2026-02-23 → 2026-07-05 · 2 obs

● 2026-02-23 22:03:10
● 2026-07-05 03:33:20

●A121.78.88.1672026-02-23 → 2026-07-05 · 2 obs

● 2026-02-23 22:03:10
● 2026-07-05 03:33:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.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: 2734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.78.88.167`
NS	2	`ns.opengogo.com, ns.openhaja.com`
MX	1	`mail.servera167.opencom.kr (pri: 10)`
SOA	1	`servera167.opencom.kr webmaster.servera1`

Analysis

Hierarchy

mail.servera167.opencom.kr is a subdomain of servera167.opencom.kr.

Name Server Role

servera167.opencom.kr serves as a name server for itself — servera167.opencom.kr is its own authoritative name server.

ns.opengogo.com, ns.openhaja.com and servera167.opencom.kr are commonly seen together as name servers.

IP Addresses

servera167.opencom.kr points to a single IP number: 121.78.88.167.

mail.servera167.opencom.kr and servera167.opencom.com are among other host names that share IP numbers with servera167.opencom.kr.

Name Servers

servera167.opencom.kr has three authoritative name servers: servera167.opencom.kr, ns.opengogo.com and ns.openhaja.com.

The name servers of servera167.opencom.kr overlap at least partially with those of other domains — among them snsinc.co.kr, officecafe.co.kr, aku.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, ns.openhaja.com and servera167.opencom.kr all have one IP address each — ns.opengogo.com directs to 121.78.91.66, ns.openhaja.com directs to 121.78.91.2 and servera167.opencom.kr directs to 121.78.88.167.

Mail Servers

servera167.opencom.kr has one mail server: mail.servera167.opencom.kr.

mail.servera167.opencom.kr has exactly one IP number: 121.78.88.167.

servera167.opencom.kr - robtex.com