`ikcaedu.kr`

DNSSEC	⚠️ Not signed
A	211.233.62.219^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
NS	`dns1.zidc.net` ⭐
		A	211.233.5.88^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
NS	`dns.happycgi.com` ⚠️ Not in zone NS records
		A	211.233.62.222^{🇰🇷 DACOM-NET211.233.0.0/18 contact noc@bora.net if necessary contact ysjeon7@bora.net if necessary}
MX	`mail.ikcaedu.kr` ⭐
		A	121.254.224.110^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
TXT	`v=spf1 ip4:211.233.5.91 ~all`
SOA	`dns1.zidc.net`root@zidc.net 2017-01-08 #4

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2606161809

Previously MX for

ikcaedu.kr

Subdomains

mail.ikcaedu.kr

Same first word

ikcaedu.kr

Similar names

cudekai.com

kaducei.ru

ackudei.com

DNS History

5 records (4 active, 1 former)

●NSdns.happycgi.com2026-04-16 → 2026-06-16 · 3 obs

○ 2018-11-15 19:43:10
● 2026-04-16 22:31:46
● 2026-06-16 10:08:32

●NSdns1.zidc.net2018-11-15 → 2026-06-16 · 2 obs

● 2018-11-15 19:43:10
● 2026-06-16 10:08:32

○MXikcaedu.kr2018-11-15 → 2018-11-15 · 3 obs

● 2018-11-15 19:43:10
○ 2026-04-16 22:31:46
○ 2026-06-16 10:08:32

●MXmail.ikcaedu.kr2026-04-16 → 2026-06-16 · 3 obs

○ 2018-11-15 19:43:10
● 2026-04-16 22:31:46
● 2026-06-16 10:08:32

●A211.233.62.2192018-11-15 → 2026-06-16 · 2 obs

● 2018-11-15 19:43:10
● 2026-06-16 10:08:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
ikcaedu.kr	dns.happycgi.com, dns1.zidc.net	-

✅ Authoritative Response

Server:211.233.5.88

NS records: dns.happycgi.com, dns1.zidc.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ikcaedu.kr (unsigned zone)

⏱️ Timing

Total: 1820ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.233.62.219`
NS	1	`dns1.zidc.net`
MX	1	`mail.ikcaedu.kr (pri: 10)`
TXT	1	`v=spf1 ip4:211.233.5.91 ~all`
SOA	1	`dns1.zidc.net root.zidc.net`

Analysis

Hierarchy

ikcaedu.kr is a parent domain of mail.ikcaedu.kr.

IP Addresses

ikcaedu.kr resolves to just one IP address, 211.233.62.219.

ikca.or.kr, for instance, is one of the other host names sharing IP numbers with ikcaedu.kr.

Name Servers

ikcaedu.kr uses two name servers for its delegation: dns.happycgi.com and dns1.zidc.net.

ikcaedu.kr shares its NS records with other domains, for example kdanews.tv, reallive.kr, cheolsusee.com and two others.

ikcaedu.kr shares at least some of its name servers with other domains, including opentool.co.kr, thisjob.co.kr, bikemall.net and two others.

These name servers are frequently paired with the name servers ns.ccdom.net and ns.zidc.net.

dns.happycgi.com and dns1.zidc.net each resolve to one IP number: dns.happycgi.com points to 211.233.62.222 and dns1.zidc.net points to 211.233.5.88.

Mail Servers

The sole mail server for ikcaedu.kr is mail.ikcaedu.kr.

mail.ikcaedu.kr directs to just one IP number, 121.254.224.110.

ikcaedu.kr - robtex.com

ikcaedu.kr

kr