`wstdent.co.kr`

DNSSEC	⚠️ Not signed
A	3.166.192.58^{🇺🇸 Amazon3.166.192.0/21}
		PTR	`server-3-166-192-58.phl51.r.cloudfront.net`
A	3.166.192.82^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.115^{🇺🇸 Amazon3.166.192.0/21}
A	3.166.192.123^{🇺🇸 Amazon3.166.192.0/21}
NS	`ans1.hostcocoa.com` ⭐
		A	205.251.192.117^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-117.awsdns-14.com`
NS	`ans2.hostcocoa.com`
		A	205.251.195.46^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-814.awsdns-37.net`
NS	`ans3.hostcocoa.com`
		A	205.251.197.133^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1413.awsdns-48.org`
NS	`ans4.hostcocoa.com`
		A	205.251.198.221^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1757.awsdns-27.co.uk`
TXT	`v=spf1 ip4:52.79.92.223 ~all`
SOA	`ans1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=1

`co.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation
	NS	`d.dns.kr` ⚠️ Not in parent delegation
	NS	`e.dns.kr` ⚠️ Not in parent delegation
	NS	`f.dns.kr` ⚠️ Not in parent delegation
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607281075

WOT: UNKNOWN (62/100)

Subdomains

www.wstdent.co.kr

Same first word

wstdent.com

wstdent.co.kr

Similar names

tdtnews.com

tndwest.com

DNS History

44 records (8 active, 36 former)

●NSans1.hostcocoa.com2026-06-28 → 2026-07-28 · 2 obs

● 2026-06-28 08:31:28
● 2026-07-28 17:47:04

●NSans2.hostcocoa.com2026-06-28 → 2026-07-28 · 2 obs

● 2026-06-28 08:31:28
● 2026-07-28 17:47:04

●NSans3.hostcocoa.com2026-06-28 → 2026-07-28 · 2 obs

● 2026-06-28 08:31:28
● 2026-07-28 17:47:04

●NSans4.hostcocoa.com2026-06-28 → 2026-07-28 · 2 obs

● 2026-06-28 08:31:28
● 2026-07-28 17:47:04

○A13.225.196.1082026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 03:55:38
● 2026-07-26 05:28:44
○ 2026-07-26 07:41:22
○ 2026-07-28 17:47:04

○A13.225.196.1202026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 03:55:38
● 2026-07-26 05:28:44
○ 2026-07-26 07:41:22
○ 2026-07-28 17:47:04

○A13.225.196.782026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 03:55:38
● 2026-07-26 05:28:44
○ 2026-07-26 07:41:22
○ 2026-07-28 17:47:04

○A13.225.196.952026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 03:55:38
● 2026-07-26 05:28:44
○ 2026-07-26 07:41:22
○ 2026-07-28 17:47:04

○A13.33.153.1132026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-28 08:31:28
● 2026-06-28 09:28:32
○ 2026-06-30 12:12:38
○ 2026-07-28 17:47:04

○A13.33.153.152026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-28 08:31:28
● 2026-06-28 09:28:32
○ 2026-06-30 12:12:38
○ 2026-07-28 17:47:04

○A13.33.153.492026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-28 08:31:28
● 2026-06-28 09:28:32
○ 2026-06-30 12:12:38
○ 2026-07-28 17:47:04

○A13.33.153.672026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-28 08:31:28
● 2026-06-28 09:28:32
○ 2026-06-30 12:12:38
○ 2026-07-28 17:47:04

○A13.33.235.1162026-07-11 → 2026-07-16 · 16 obs

○ 2026-07-11 15:55:48
● 2026-07-11 16:27:48
○ 2026-07-11 18:08:00
● 2026-07-12 07:35:22
○ 2026-07-12 10:53:24
● 2026-07-13 00:56:00
○ 2026-07-13 02:47:26
● 2026-07-13 11:13:06
○ 2026-07-13 14:34:40
● 2026-07-14 17:16:58
○ 2026-07-14 18:00:30
● 2026-07-15 15:40:14
○ 2026-07-15 16:16:12
● 2026-07-16 13:31:44
○ 2026-07-16 14:32:02
○ 2026-07-28 17:47:04

○A13.33.235.62026-07-11 → 2026-07-16 · 16 obs

○A13.33.235.652026-07-11 → 2026-07-16 · 16 obs

○A13.33.235.742026-07-11 → 2026-07-16 · 16 obs

●A3.166.192.1152026-07-13 → 2026-07-28 · 59 obs

○ 2026-07-13 11:13:06
● 2026-07-13 14:34:40
○ 2026-07-14 06:17:36
● 2026-07-14 09:09:06
○ 2026-07-14 17:16:58
● 2026-07-14 22:01:26
○ 2026-07-15 00:03:14
● 2026-07-15 05:00:22
○ 2026-07-15 09:15:46
● 2026-07-15 15:06:12
○ 2026-07-15 15:40:14
● 2026-07-15 16:16:12
○ 2026-07-15 22:45:22
● 2026-07-16 00:10:30
○ 2026-07-16 13:31:44
● 2026-07-16 17:22:48
○ 2026-07-16 18:58:26
● 2026-07-16 22:02:16
○ 2026-07-17 11:04:00
● 2026-07-17 20:00:28
○ 2026-07-18 14:17:34
● 2026-07-18 15:47:22
○ 2026-07-18 19:47:58
● 2026-07-18 20:25:40
○ 2026-07-19 04:01:24
● 2026-07-19 08:06:08
○ 2026-07-19 17:24:26
● 2026-07-19 20:56:20
○ 2026-07-19 22:27:16
● 2026-07-20 05:06:40
○ 2026-07-20 08:24:34
● 2026-07-20 11:48:52
○ 2026-07-21 00:32:04
● 2026-07-21 02:24:58
○ 2026-07-21 09:28:46
● 2026-07-21 13:07:48
○ 2026-07-21 15:20:14
● 2026-07-21 21:04:18
○ 2026-07-23 10:23:48
● 2026-07-23 15:19:20
○ 2026-07-23 16:45:34
● 2026-07-23 18:49:20
○ 2026-07-24 02:21:24
● 2026-07-24 07:38:08
○ 2026-07-24 10:01:26
● 2026-07-24 12:17:16
○ 2026-07-25 03:10:36
● 2026-07-25 06:43:28
○ 2026-07-26 03:55:38
● 2026-07-26 07:41:22
○ 2026-07-26 10:56:56
● 2026-07-26 17:55:20
○ 2026-07-27 04:41:10
● 2026-07-27 10:08:30
○ 2026-07-28 02:10:20
● 2026-07-28 03:37:46
○ 2026-07-28 09:56:26
● 2026-07-28 15:18:00
● 2026-07-28 17:47:04

●A3.166.192.1232026-07-13 → 2026-07-28 · 59 obs

●A3.166.192.582026-07-13 → 2026-07-28 · 59 obs

●A3.166.192.822026-07-13 → 2026-07-28 · 59 obs

○A3.170.103.1002026-06-30 → 2026-07-02 · 8 obs

○ 2026-06-30 12:12:38
● 2026-06-30 23:04:18
○ 2026-07-01 02:08:22
● 2026-07-01 12:01:34
○ 2026-07-01 13:36:30
● 2026-07-02 07:20:04
○ 2026-07-02 10:52:16
○ 2026-07-28 17:47:04

○A3.170.103.1062026-06-30 → 2026-07-02 · 8 obs

○ 2026-06-30 12:12:38
● 2026-06-30 23:04:18
○ 2026-07-01 02:08:22
● 2026-07-01 12:01:34
○ 2026-07-01 13:36:30
● 2026-07-02 07:20:04
○ 2026-07-02 10:52:16
○ 2026-07-28 17:47:04

○A3.170.103.152026-06-30 → 2026-07-02 · 8 obs

○ 2026-06-30 12:12:38
● 2026-06-30 23:04:18
○ 2026-07-01 02:08:22
● 2026-07-01 12:01:34
○ 2026-07-01 13:36:30
● 2026-07-02 07:20:04
○ 2026-07-02 10:52:16
○ 2026-07-28 17:47:04

○A3.170.103.412026-06-30 → 2026-07-02 · 8 obs

○ 2026-06-30 12:12:38
● 2026-06-30 23:04:18
○ 2026-07-01 02:08:22
● 2026-07-01 12:01:34
○ 2026-07-01 13:36:30
● 2026-07-02 07:20:04
○ 2026-07-02 10:52:16
○ 2026-07-28 17:47:04

○A3.170.19.1112026-07-02 → 2026-07-12 · 6 obs

○ 2026-07-01 23:26:02
● 2026-07-02 06:03:12
○ 2026-07-02 07:20:04
● 2026-07-12 11:44:40
○ 2026-07-12 13:47:18
○ 2026-07-28 17:47:04

○A3.170.19.162026-07-02 → 2026-07-12 · 6 obs

○ 2026-07-01 23:26:02
● 2026-07-02 06:03:12
○ 2026-07-02 07:20:04
● 2026-07-12 11:44:40
○ 2026-07-12 13:47:18
○ 2026-07-28 17:47:04

○A3.170.19.512026-07-02 → 2026-07-12 · 6 obs

○ 2026-07-01 23:26:02
● 2026-07-02 06:03:12
○ 2026-07-02 07:20:04
● 2026-07-12 11:44:40
○ 2026-07-12 13:47:18
○ 2026-07-28 17:47:04

○A3.170.19.862026-07-02 → 2026-07-12 · 6 obs

○ 2026-07-01 23:26:02
● 2026-07-02 06:03:12
○ 2026-07-02 07:20:04
● 2026-07-12 11:44:40
○ 2026-07-12 13:47:18
○ 2026-07-28 17:47:04

○A52.85.193.242026-06-30 → 2026-07-12 · 52 obs

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

○A52.85.193.552026-06-30 → 2026-07-12 · 52 obs

○A52.85.193.772026-06-30 → 2026-07-12 · 52 obs

○A52.85.193.842026-06-30 → 2026-07-12 · 52 obs

○A54.240.184.1082026-07-01 → 2026-07-28 · 102 obs

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

○A54.240.184.262026-07-01 → 2026-07-28 · 102 obs

○A54.240.184.282026-07-01 → 2026-07-28 · 102 obs

○A54.240.184.402026-07-01 → 2026-07-28 · 102 obs

○A99.84.132.1282026-06-28 → 2026-07-28 · 9 obs

● 2026-06-28 08:31:28
○ 2026-06-28 09:28:32
● 2026-07-01 23:26:02
○ 2026-07-02 06:03:12
● 2026-07-02 10:52:16
○ 2026-07-02 14:15:22
● 2026-07-28 09:56:26
○ 2026-07-28 15:18:00
○ 2026-07-28 17:47:04

○A99.84.132.212026-06-28 → 2026-07-28 · 9 obs

○A99.84.132.602026-06-28 → 2026-07-28 · 9 obs

○A99.84.132.962026-06-28 → 2026-07-28 · 9 obs

○A99.84.41.1032026-07-08 → 2026-07-24 · 12 obs

○ 2026-07-07 23:34:28
● 2026-07-08 17:11:36
○ 2026-07-09 05:50:14
● 2026-07-09 17:47:36
○ 2026-07-09 22:11:28
● 2026-07-10 15:45:30
○ 2026-07-10 18:57:36
● 2026-07-12 05:01:50
○ 2026-07-12 07:03:24
● 2026-07-24 10:01:26
○ 2026-07-24 10:38:38
○ 2026-07-28 17:47:04

○A99.84.41.552026-07-08 → 2026-07-24 · 12 obs

○A99.84.41.622026-07-08 → 2026-07-24 · 12 obs

○A99.84.41.812026-07-08 → 2026-07-24 · 12 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
wstdent.co.kr	ans3.hostcocoa.com, ans4.hostcocoa.com, ans1.hostcocoa.com, ans2.hostcocoa.com	-

✅ Authoritative Response

Server:205.251.192.117

NS records: ans3.hostcocoa.com, ans4.hostcocoa.com, ans1.hostcocoa.com, ans2.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wstdent.co.kr (unsigned zone)

⏱️ Timing

Total: 1910ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.192.115, 3.166.192.123...`
NS	4	`ans1.hostcocoa.com, ans2.hostcocoa.com...`
TXT	1	`v=spf1 ip4:52.79.92.223 ~all`
SOA	1	`ans1.hostcocoa.com awsdns-hostmaster.ama`

Analysis

Hierarchy

wstdent.co.kr is a parent domain of www.wstdent.co.kr.

IP Addresses

wstdent.co.kr resolves to four IP addresses: 3.166.192.58, 3.166.192.82, 3.166.192.115 and 3.166.192.123.

Name Servers

Four name servers handle the delegation for wstdent.co.kr: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com.

wstdent.co.kr shares at least some of its name servers with other domains, including easy-tech.co.kr, gaongagu.co.kr, atelier-artl.com and two others.

Four host names, each with one IP address: ans1.hostcocoa.com has 205.251.192.117, ans2.hostcocoa.com has 205.251.195.46, ans3.hostcocoa.com has 205.251.197.133 and ans4.hostcocoa.com has 205.251.198.221.

wstdent.co.kr - robtex.com

wstdent.co.kr

co.kr

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`wstdent.co.kr`

`co.kr`