`kn-us.com`

DNSSEC	⚠️ Not signed
A	108.138.64.2^{🇺🇸 Amazon108.138.64.0/21}
		PTR	`server-108-138-64-2.iad12.r.cloudfront.net`
A	108.138.64.29^{🇺🇸 Amazon108.138.64.0/21}
A	108.138.64.45^{🇺🇸 Amazon108.138.64.0/21}
A	108.138.64.110^{🇺🇸 Amazon108.138.64.0/21}
NS	`cns1.hostcocoa.com` ⭐
		A	205.251.196.138^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1162.awsdns-17.org`
NS	`cns2.hostcocoa.com`
		A	205.251.194.81^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-593.awsdns-10.net`
NS	`cns3.hostcocoa.com`
		A	205.251.193.7^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-263.awsdns-32.com`
NS	`cns4.hostcocoa.com`
		A	205.251.199.181^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1973.awsdns-54.co.uk`
MX	`mailapp.hiworks.co.kr` ⭐
		A	45.120.71.59^{🇰🇷 DACOM-NET45.120.71.0/24}
			PTR	`mailapp.hiworks.co.kr`
		A	121.254.168.55^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
			PTR	`mailapp.hiworks.co.kr`
		A	211.47.76.59^{🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route}
			PTR	`mailapp.hiworks.co.kr`
TXT	`v=spf1 include:spf.hiworks.co.kr ~all`
SOA	`cns1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=1

`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=1771291435

Same first word

kn-us.com

Similar names

sun-k.biz

ns-uk.com

kun-s.com

sun-k.co.jp

ns-uk.co.uk

sn-uk.com

DNS History

28 records (9 active, 19 former)

●NScns1.hostcocoa.com2026-02-26 → 2026-03-23 · 3 obs

○ 2015-11-06 00:08:26
● 2026-02-26 02:20:28
● 2026-03-23 09:09:22

●NScns2.hostcocoa.com2026-02-26 → 2026-03-23 · 3 obs

○ 2015-11-06 00:08:26
● 2026-02-26 02:20:28
● 2026-03-23 09:09:22

●NScns3.hostcocoa.com2026-02-26 → 2026-03-23 · 3 obs

○ 2015-11-06 00:08:26
● 2026-02-26 02:20:28
● 2026-03-23 09:09:22

●NScns4.hostcocoa.com2026-02-26 → 2026-03-23 · 3 obs

○ 2015-11-06 00:08:26
● 2026-02-26 02:20:28
● 2026-03-23 09:09:22

○NSns.hosteurope.com2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 08:46:38
○ 2015-11-06 00:08:26
○ 2026-03-23 09:09:22

○NSns2.hosteurope.com2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 08:46:38
○ 2015-11-06 00:08:26
○ 2026-03-23 09:09:22

●MXmailapp.hiworks.co.kr2026-02-26 → 2026-03-23 · 2 obs

● 2026-02-26 02:20:28
● 2026-03-23 09:09:22

●A108.138.64.1102026-02-27 → 2026-03-23 · 56 obs

○ 2026-02-27 10:11:58
● 2026-02-27 14:01:42
○ 2026-02-28 00:26:34
○ 2026-02-28 19:55:02
● 2026-03-01 05:53:08
○ 2026-03-01 07:18:24
○ 2026-03-02 08:20:04
● 2026-03-02 12:55:52
○ 2026-03-02 22:38:20
● 2026-03-03 01:18:36
○ 2026-03-03 14:58:32
○ 2026-03-05 08:47:08
● 2026-03-05 10:06:52
○ 2026-03-05 23:48:00
○ 2026-03-06 19:10:46
● 2026-03-07 00:14:10
● 2026-03-07 04:00:10
○ 2026-03-07 21:22:22
○ 2026-03-09 03:29:58
● 2026-03-10 09:50:36
○ 2026-03-10 13:20:40
○ 2026-03-13 09:41:30
● 2026-03-13 13:48:10
○ 2026-03-13 22:01:20
● 2026-03-14 00:35:04
○ 2026-03-14 01:25:30
○ 2026-03-14 18:21:16
● 2026-03-14 20:06:50
● 2026-03-14 21:23:48
○ 2026-03-15 01:12:50
○ 2026-03-15 03:49:54
● 2026-03-15 11:17:32
● 2026-03-15 15:28:34
○ 2026-03-15 23:11:08
○ 2026-03-16 03:00:58
● 2026-03-16 08:11:30
● 2026-03-16 09:36:22
○ 2026-03-16 15:24:00
○ 2026-03-16 21:45:48
● 2026-03-17 00:49:26
○ 2026-03-17 05:42:56
○ 2026-03-18 04:37:56
● 2026-03-18 12:05:50
○ 2026-03-18 13:51:38
○ 2026-03-20 04:49:04
● 2026-03-20 05:35:58
● 2026-03-20 20:04:16
○ 2026-03-21 03:01:04
● 2026-03-21 09:43:16
○ 2026-03-21 11:33:36
○ 2026-03-22 15:55:16
● 2026-03-22 19:19:12
○ 2026-03-22 21:34:44
○ 2026-03-23 04:45:36
● 2026-03-23 09:09:20
● 2026-03-23 09:09:22

●A108.138.64.22026-02-27 → 2026-03-23 · 56 obs

●A108.138.64.292026-02-27 → 2026-03-23 · 56 obs

●A108.138.64.452026-02-27 → 2026-03-23 · 56 obs

○A18.154.206.1172026-02-27 → 2026-03-15 · 17 obs

○ 2026-02-27 01:13:52
● 2026-02-27 06:05:50
● 2026-02-27 08:58:26
○ 2026-02-27 10:11:58
○ 2026-03-08 21:25:50
● 2026-03-08 23:02:26
○ 2026-03-09 03:29:58
○ 2026-03-11 03:36:20
● 2026-03-11 14:25:14
○ 2026-03-11 19:06:14
○ 2026-03-14 13:35:14
● 2026-03-14 15:41:42
○ 2026-03-14 16:20:02
○ 2026-03-14 21:23:48
● 2026-03-15 01:12:50
○ 2026-03-15 03:49:54
○ 2026-03-23 09:09:22

○A18.154.206.1252026-02-27 → 2026-03-15 · 17 obs

○A18.154.206.272026-02-27 → 2026-03-15 · 17 obs

○A18.154.206.342026-02-27 → 2026-03-15 · 17 obs

○A18.173.219.1242026-03-07 → 2026-03-22 · 16 obs

○ 2026-03-07 04:00:10
● 2026-03-07 21:22:22
○ 2026-03-08 05:57:32
○ 2026-03-14 00:35:04
● 2026-03-14 01:25:30
○ 2026-03-14 07:39:26
● 2026-03-14 11:42:54
○ 2026-03-14 13:35:14
○ 2026-03-14 15:41:42
● 2026-03-14 16:20:02
○ 2026-03-14 18:21:16
○ 2026-03-22 09:47:44
● 2026-03-22 15:12:08
● 2026-03-22 15:55:16
○ 2026-03-22 19:19:12
○ 2026-03-23 09:09:22

○A18.173.219.292026-03-07 → 2026-03-22 · 16 obs

○A18.173.219.582026-03-07 → 2026-03-22 · 16 obs

○A18.173.219.722026-03-07 → 2026-03-22 · 16 obs

○A18.244.179.42026-02-26 → 2026-03-23 · 72 obs

○ 2015-11-06 00:08:26
● 2026-02-26 02:20:28
● 2026-02-27 01:13:52
○ 2026-02-27 06:05:50
○ 2026-02-27 08:58:26
● 2026-02-27 10:11:58
○ 2026-02-27 14:01:42
● 2026-02-28 00:26:34
● 2026-02-28 19:55:02
○ 2026-03-01 05:53:08
● 2026-03-01 07:18:24
● 2026-03-02 08:20:04
○ 2026-03-02 12:55:52
● 2026-03-02 22:38:20
○ 2026-03-03 01:18:36
● 2026-03-03 14:58:32
● 2026-03-05 08:47:08
○ 2026-03-05 10:06:52
● 2026-03-05 23:48:00
● 2026-03-06 19:10:46
○ 2026-03-07 00:14:10
○ 2026-03-07 21:22:22
● 2026-03-08 05:57:32
● 2026-03-08 21:25:50
○ 2026-03-08 23:02:26
● 2026-03-09 03:29:58
○ 2026-03-10 09:50:36
● 2026-03-10 13:20:40
● 2026-03-11 03:36:20
○ 2026-03-11 14:25:14
● 2026-03-11 19:06:14
● 2026-03-13 09:41:30
○ 2026-03-13 13:48:10
● 2026-03-13 22:01:20
○ 2026-03-14 00:35:04
○ 2026-03-14 01:25:30
● 2026-03-14 07:39:26
○ 2026-03-14 11:42:54
● 2026-03-14 13:35:14
○ 2026-03-14 15:41:42
○ 2026-03-14 16:20:02
● 2026-03-14 18:21:16
○ 2026-03-14 20:06:50
○ 2026-03-15 01:12:50
● 2026-03-15 03:49:54
○ 2026-03-15 11:17:32
○ 2026-03-15 15:28:34
● 2026-03-15 23:11:08
● 2026-03-16 03:00:58
○ 2026-03-16 08:11:30
○ 2026-03-16 09:36:22
● 2026-03-16 15:24:00
● 2026-03-16 21:45:48
○ 2026-03-17 00:49:26
● 2026-03-17 05:42:56
● 2026-03-18 04:37:56
○ 2026-03-18 12:05:50
● 2026-03-18 13:51:38
● 2026-03-20 04:49:04
○ 2026-03-20 05:35:58
○ 2026-03-20 20:04:16
● 2026-03-21 03:01:04
○ 2026-03-21 09:43:16
● 2026-03-21 11:33:36
● 2026-03-22 01:55:54
○ 2026-03-22 09:47:44
○ 2026-03-22 19:19:12
● 2026-03-22 21:34:44
○ 2026-03-23 01:53:38
● 2026-03-23 04:13:20
○ 2026-03-23 04:45:36
○ 2026-03-23 09:09:22

○A18.244.179.552026-02-26 → 2026-03-23 · 72 obs

○A18.244.179.72026-02-26 → 2026-03-23 · 72 obs

○A18.244.179.952026-02-26 → 2026-03-23 · 72 obs

○A195.224.48.732008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 08:46:38
○ 2015-11-06 00:08:26
○ 2026-03-23 09:09:22

○A3.174.113.1172026-03-22 → 2026-03-23 · 9 obs

○ 2026-03-22 01:55:54
● 2026-03-22 09:47:44
○ 2026-03-22 15:12:08
○ 2026-03-22 21:34:44
● 2026-03-23 01:53:38
○ 2026-03-23 04:13:20
● 2026-03-23 04:45:36
○ 2026-03-23 09:09:20
○ 2026-03-23 09:09:22

○A3.174.113.262026-03-22 → 2026-03-23 · 9 obs

○A3.174.113.712026-03-22 → 2026-03-23 · 9 obs

○A3.174.113.782026-03-22 → 2026-03-23 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net...	-
kn-us.com	cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.194.81

NS records: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kn-us.com (unsigned zone)

⏱️ Timing

Total: 288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.64.29, 108.138.64.2...`
NS	4	`cns1.hostcocoa.com, cns2.hostcocoa.com...`
MX	1	`mailapp.hiworks.co.kr (pri: 10)`
TXT	1	`v=spf1 include:spf.hiworks.co.kr ~all`
SOA	1	`cns1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com...)

Analysis

IP Addresses

kn-us.com maps to four IP numbers: 108.138.64.2, 108.138.64.29, 108.138.64.45 and 108.138.64.110.

Other host names, for instance d18tboevts5xxm.cloudfront.net, mapello.it, dashboard.adaptive-health.com, firesidefloralstudio.com and d2y0ngxy657pza.cloudfront.net share IP numbers with kn-us.com.

Name Servers

kn-us.com's delegation is handled by four name servers: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com and cns4.hostcocoa.com.

kn-us.com partially shares name servers with other domains; examples include automationkns.com, hc-automation.co.kr, lyum.kr, ttmc.kr and goldmani.co.kr.

Host names with one IP:

cns1.hostcocoa.com points to 205.251.196.138

cns2.hostcocoa.com points to 205.251.194.81

cns3.hostcocoa.com points to 205.251.193.7

cns4.hostcocoa.com points to 205.251.199.181

Mail Servers

kn-us.com is handled by a single mail server, mailapp.hiworks.co.kr.

kn-us.com has the same mail server setup as other domains, including ilotusspa.com, narasyg.com, gcs.co.kr, s-n.co.kr and batikgroup.co.kr.

Some mail servers are shared between kn-us.com and other domains, for example mo-n.com.

Host name mailapp.hiworks.co.kr points to three IP numbers: 45.120.71.59, 121.254.168.55 and 211.47.76.59.

kn-us.com - robtex.com

kn-us.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`kn-us.com`

`com`