koolcd.com - dns.ninja

`koolcd.com`

DNSSEC	⚠️ Not signed
A	211.233.51.103^{🇰🇷 NHN-AS-KR211.233.51.0/25}
		PTR	`vline-51-103.godo.co.kr`
NS	`hns1.nsgodo.com` ⭐ ⚠️ Not in parent delegation
		A	121.254.254.3^{🇰🇷 NHN-AS-KR121.254.254.0/25}
			PTR	`vline-254-254-3.godo.co.kr`
		A	180.210.127.112^{🇰🇷 NHN-AS-KR180.210.127.0/24 SKBroadbnad's coustemr route}
		A	180.210.127.113^{🇰🇷 NHN-AS-KR180.210.127.0/24 SKBroadbnad's coustemr route}
NS	`hns2.nsgodo.com` ⚠️ Not in parent delegation
		A	121.254.254.3^{🇰🇷 NHN-AS-KR121.254.254.0/25}
			PTR	`vline-254-254-3.godo.co.kr`
		A	211.233.50.4^{🇰🇷 NHN-AS-KR211.233.50.0/25}
			PTR	`ns2.nsgodo.com`
		A	211.233.51.3^{🇰🇷 NHN-AS-KR211.233.51.0/25}
			PTR	`vline-51-3.godo.co.kr`
NS	`sns1.nsgodo.com` ⚠️ Not in zone NS records
		A	180.210.127.111^{🇰🇷 NHN-AS-KR180.210.127.0/24 SKBroadbnad's coustemr route}
		A	211.233.50.3^{🇰🇷 NHN-AS-KR211.233.50.0/25}
			PTR	`ns1.nsgodo.com`
		A	211.233.50.4^{🇰🇷 NHN-AS-KR211.233.50.0/25}
			PTR	`ns2.nsgodo.com`
NS	`sns2.nsgodo.com` ⚠️ Not in zone NS records
		A	121.254.254.3^{🇰🇷 NHN-AS-KR121.254.254.0/25}
			PTR	`vline-254-254-3.godo.co.kr`
		A	180.210.127.113^{🇰🇷 NHN-AS-KR180.210.127.0/24 SKBroadbnad's coustemr route}
		A	211.233.51.3^{🇰🇷 NHN-AS-KR211.233.51.0/25}
			PTR	`vline-51-3.godo.co.kr`
MX	`webmail.koolcd.com` ⭐
		A	211.233.50.40^{🇰🇷 NHN-AS-KR211.233.50.0/25}
			PTR	`webmail40.godo.co.kr`
TXT	`v=spf1 ip4:211.233.51.64 ip4:211.233.50.40 ~all`
SOA	`hns1.nsgodo.com`koolcd@com.koolcd.com 2025-07-28 #2

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783844922

Subdomains

webmail.koolcd.com

Same first word

koolcd.com

Similar names

doclok.com

dolock.com

dolock.cn

okcold.com

koldco.com

dkcool.com

koldoc.com

cdlook.net

dkcool.dk

lokdoc.de

kolodc.com

lockdo.myshopify.com

oldock.com

lockdo.com

dlcook.net

cookld.com

dokloc.com

lodock.cafe

lokdoc.com

dclook.com

cdlook.com

DNS History

14 records (6 active, 8 former)

●NShns1.nsgodo.com2026-02-27 → 2026-07-12 · 3 obs

○ 2017-03-27 11:51:58
● 2026-02-27 14:18:16
● 2026-07-12 08:49:44

●NShns2.nsgodo.com2026-02-27 → 2026-07-12 · 3 obs

○ 2017-03-27 11:51:58
● 2026-02-27 14:18:16
● 2026-07-12 08:49:44

○NSname1.webhostingi.co.kr2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 04:00:14
○ 2015-08-19 21:59:48
○ 2026-07-12 08:49:44

○NSns1.hosting.co.kr2015-08-19 → 2017-03-27 · 5 obs

○ 2008-03-19 04:00:14
● 2015-08-19 21:59:48
● 2017-03-27 11:51:58
○ 2026-02-27 14:18:16
○ 2026-07-12 08:49:44

○NSns2.comtru.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 04:00:14
○ 2015-08-19 21:59:48
○ 2026-07-12 08:49:44

○NSns2.hosting.co.kr2015-08-19 → 2017-03-27 · 5 obs

○ 2008-03-19 04:00:14
● 2015-08-19 21:59:48
● 2017-03-27 11:51:58
○ 2026-02-27 14:18:16
○ 2026-07-12 08:49:44

●NSsns1.nsgodo.com2026-02-27 → 2026-07-12 · 3 obs

○ 2017-03-27 11:51:58
● 2026-02-27 14:18:16
● 2026-07-12 08:49:44

●NSsns2.nsgodo.com2026-02-27 → 2026-07-12 · 3 obs

○ 2017-03-27 11:51:58
● 2026-02-27 14:18:16
● 2026-07-12 08:49:44

○MXmail.koolcd.com2015-08-19 → 2017-03-27 · 5 obs

○ 2008-03-19 04:00:14
● 2015-08-19 21:59:48
● 2017-03-27 11:51:58
○ 2026-02-27 14:18:16
○ 2026-07-12 08:49:44

○MXredtong1.tongkni.co.kr2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 04:00:14
○ 2015-08-19 21:59:48
○ 2026-07-12 08:49:44

●MXwebmail.koolcd.com2026-02-27 → 2026-07-12 · 3 obs

○ 2017-03-27 11:51:58
● 2026-02-27 14:18:16
● 2026-07-12 08:49:44

○A114.108.175.2202015-08-19 → 2017-03-27 · 5 obs

○ 2008-03-19 04:00:14
● 2015-08-19 21:59:48
● 2017-03-27 11:51:58
○ 2026-02-27 14:18:16
○ 2026-07-12 08:49:44

●A211.233.51.1032026-02-27 → 2026-07-12 · 3 obs

○ 2017-03-27 11:51:58
● 2026-02-27 14:18:16
● 2026-07-12 08:49:44

○A218.38.12.2242008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 04:00:14
○ 2015-08-19 21:59:48
○ 2026-07-12 08:49:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
koolcd.com	sns1.nsgodo.com, sns2.nsgodo.com	2 records

✅ Authoritative Response

Server:180.210.127.111

NS records: sns1.nsgodo.com, sns2.nsgodo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koolcd.com (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.233.51.103`
NS	2	`hns2.nsgodo.com, hns1.nsgodo.com`
MX	1	`webmail.koolcd.com (pri: 10)`
TXT	1	`v=spf1 ip4:211.233.51.64 ip4:211.233.50.`
SOA	1	`hns1.nsgodo.com koolcd.com.koolcd.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (sns1.nsgodo.com, sns2.nsgodo.com)

Analysis

Hierarchy

webmail.koolcd.com is delegated beneath koolcd.com.

IP Addresses

koolcd.com resolves to just one IP address, 211.233.51.103.

Two other host names, along with sonoris.co.kr, www.zipsin.org and mhjin.net, also share IP numbers with koolcd.com.

Name Servers

The NS records for koolcd.com point to four name servers: hns1.nsgodo.com, hns2.nsgodo.com, sns1.nsgodo.com and sns2.nsgodo.com.

There is at least partial name server overlap between koolcd.com and other domains — sunflowerfancy.com, hanullimmusic.com, franklinplanner.co.kr and two more among them.

These name servers frequently co-occur with the name servers nsgodo.com and nsgodo.net.

All four hosts hns1.nsgodo.com, hns2.nsgodo.com, sns1.nsgodo.com and sns2.nsgodo.com point to exactly three IP addresses each — hns1.nsgodo.com → 121.254.254.3, 180.210.127.112, 180.210.127.113; hns2.nsgodo.com → 121.254.254.3, 211.233.50.4, 211.233.51.3; sns1.nsgodo.com → 180.210.127.111, 211.233.50.3, 211.233.50.4; sns2.nsgodo.com → 121.254.254.3, 180.210.127.113, 211.233.51.3.

Each of hns1.nsgodo.com, hns2.nsgodo.com and sns2.nsgodo.com resolves to 121.254.254.3.

hns1.nsgodo.com along with sns2.nsgodo.com each resolve to 180.210.127.113 IP addresses.

hns2.nsgodo.com along with sns1.nsgodo.com each resolve to 211.233.50.4 IP addresses.

hns2.nsgodo.com along with sns2.nsgodo.com each resolve to 211.233.51.3 IP addresses.

Mail Servers

The sole mail server for koolcd.com is webmail.koolcd.com.

webmail.koolcd.com carries a single IP number, which is 211.233.50.40.