`mail.servera211.opencom.com`

DNSSEC	⚠️ Not signed
A	121.78.88.211^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
		PTR	`servera211.opencom.com`

`servera211.opencom.com`

	DNSSEC	⚠️ Not signed
	A	121.78.88.211^{🇰🇷 KINXIDC-AS-KR121.78.80.0/20 Korea Internet Neutral eXchange}
	NS	`servera211.opencom.com` ⭐
	NS	`ns.opengogo.com` ⚠️ Not in parent delegation
	NS	`ns.openhaja.com` ⚠️ Not in parent delegation
	MX	`mail.servera211.m` ⭐
	SOA	`servera211.opencom.com`webmaster@servera211.opencom.com 2013-09-13 #4

Previously MX for

servera211.opencom.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A121.78.88.2112016-11-15 → 2026-07-15 · 2 obs

● 2016-11-15 12:35:28
● 2026-07-15 04:45:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
opencom.com	ns.openhaja.com, ns.opengogo.com	2 records

✅ 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.com (unsigned zone)

⏱️ Timing

Total: 831ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.78.88.211`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.openhaja.com, ns.opengogo.com)

Analysis

IP Addresses

mail.servera211.opencom.com resolves to just one IP address, 121.78.88.211.

Other host names, among them servera211.opencom.com and mail.bmkmedi.com, have IP numbers in common with mail.servera211.opencom.com.

mail.servera211.opencom.com - robtex.com