`ns1.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`

`server28.opencom.kr`

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

NS for

opencom.kr

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DNS History

1 record (1 active, 0 former)

●A121.78.88.282026-02-15 → 2026-07-14 · 5 obs

● 2026-02-15 12:31:54
● 2026-05-21 18:28:00
○ 2026-05-24 09:19:24
● 2026-05-24 20:11:36
● 2026-07-14 15:10:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.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: 1497ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.78.88.28`

Analysis

Name Server Role

ns1.server28.opencom.kr acts as an authoritative name server for opencom.kr.

opencom.kr, ns.opengogo.com and ns.openhaja.com are often grouped with ns1.server28.opencom.kr to function as name servers.

IP Addresses

ns1.server28.opencom.kr resolves to just one IP address, 121.78.88.28.

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

ns1.server28.opencom.kr - robtex.com