`serverb30.opencom.com`

DNSSEC	⚠️ Not signed
A	121.78.91.30^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
		PTR	`serverb30.opencom.com`

`opencom.com`

	DNSSEC	⚠️ Not signed
	A	121.78.91.10^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
	NS	`opencom.com` ⭐
	NS	`ns.opengogo.com`
	NS	`ns.openhaja.com`
	NS	`ns.vt.opencom.com` ⚠️ Not in parent delegation
	NS	`ns1.backoffice.opencom.com` ⚠️ Not in parent delegation
	NS	`ns1.mail148.opencom.com` ⚠️ Not in parent delegation
	NS	`ns1.mail28.opencom.com` ⚠️ Not in parent delegation
	NS	`ns1.pdns.opencom.com` ⚠️ Not in parent delegation
	NS	`ns1.sm.opencom.com` ⚠️ Not in parent delegation
	NS	`ns2.backoffice.opencom.com` ⚠️ Not in parent delegation
	NS	`ns2.mail148.opencom.com` ⚠️ Not in parent delegation
	NS	`ns2.mail28.opencom.com` ⚠️ Not in parent delegation
	NS	`ns2.pdns.opencom.com` ⚠️ Not in parent delegation
	NS	`ns2.sm.opencom.com` ⚠️ Not in parent delegation
	MX	`aspmx.daum.net` ⭐
	MX	`alt.aspmx.daum.net`⁽²⁰⁾
	TXT	`google-site-verification=WgPMZuHX7V5BN_CEpall1uoT3uoz66lpfd7tmNCQ9kI`
	TXT	`_globalsign-domain-verification=APvkzkltqhLP-4ICCw5Ku8SaWDTWAVMoYyB6jfv_DK`
	TXT	`v=spf1 ip4:121.78.88.26 ip4:121.78.189.241 ip4:121.78.91.10 ip4:121.78.91.24...`
	SOA	`opencom.com`webmaster@opencom.com 2003-03-21 #92

30.91.78.121.in-addr.arpa

1 record (1 active, 0 former)

●A121.78.91.302018-05-17 → 2026-07-03 · 2 obs

● 2018-05-17 17:06:54
● 2026-07-03 17:58:02

Zone	Nameservers	Glue
opencom.com	ns.openhaja.com, ns.opengogo.com	-

Server:121.78.91.2

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

⚠️ Insecure (no DNSSEC)

No DS record for opencom.com (unsigned zone)

Total: 433ms | Queries: -

Type	Count	Sample Data
A	1	`121.78.91.30`

serverb30.opencom.com has exactly one IP address — 121.78.91.30.

Other hosts including swlad.co.kr, seilcon.com and sinakorea.com share IP addresses with serverb30.opencom.com.