`sejongmulsan.com`

DNSSEC	⚠️ Not signed
A	52.85.78.35^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
		PTR	`server-52-85-78-35.mia50.r.cloudfront.net`
A	52.85.78.48^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
A	52.85.78.109^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
A	52.85.78.113^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
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`
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=1776132117

Previously NS for

sejongmulsan.com

Same first word

sejongmulsan.com

DNS History

43 records (8 active, 35 former)

●NScns1.hostcocoa.com2026-03-25 → 2026-04-14 · 3 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
● 2026-04-14 02:19:26

●NScns2.hostcocoa.com2026-03-25 → 2026-04-14 · 3 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
● 2026-04-14 02:19:26

●NScns3.hostcocoa.com2026-03-25 → 2026-04-14 · 3 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
● 2026-04-14 02:19:26

●NScns4.hostcocoa.com2026-03-25 → 2026-04-14 · 3 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
● 2026-04-14 02:19:26

○NSns.sejongmulsan.com2015-06-06 → 2017-08-07 · 4 obs

● 2015-06-06 05:09:26
● 2017-08-07 23:42:08
○ 2026-03-25 18:25:56
○ 2026-04-14 02:19:26

○NSns1.sejongmulsan.com2015-06-06 → 2017-08-07 · 4 obs

● 2015-06-06 05:09:26
● 2017-08-07 23:42:08
○ 2026-03-25 18:25:56
○ 2026-04-14 02:19:26

○NSns2.sejongmulsan.com2015-06-06 → 2017-08-07 · 4 obs

● 2015-06-06 05:09:26
● 2017-08-07 23:42:08
○ 2026-03-25 18:25:56
○ 2026-04-14 02:19:26

○NSns3.sejongmulsan.com2015-06-06 → 2017-08-07 · 4 obs

● 2015-06-06 05:09:26
● 2017-08-07 23:42:08
○ 2026-03-25 18:25:56
○ 2026-04-14 02:19:26

○NSsejongmulsan.com2015-06-06 → 2017-08-07 · 4 obs

● 2015-06-06 05:09:26
● 2017-08-07 23:42:08
○ 2026-03-25 18:25:56
○ 2026-04-14 02:19:26

○MXrmw-002.fmcity.com2015-06-06 → 2017-08-07 · 4 obs

● 2015-06-06 05:09:26
● 2017-08-07 23:42:08
○ 2026-03-25 18:25:56
○ 2026-04-14 02:19:26

○A13.249.126.1002026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-28 05:51:24
● 2026-03-28 06:21:44
○ 2026-03-29 00:23:32
○ 2026-04-14 02:19:26

○A13.249.126.432026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-28 05:51:24
● 2026-03-28 06:21:44
○ 2026-03-29 00:23:32
○ 2026-04-14 02:19:26

○A13.249.126.632026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-28 05:51:24
● 2026-03-28 06:21:44
○ 2026-03-29 00:23:32
○ 2026-04-14 02:19:26

○A13.249.126.742026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-28 05:51:24
● 2026-03-28 06:21:44
○ 2026-03-29 00:23:32
○ 2026-04-14 02:19:26

○A13.33.235.1292026-03-25 → 2026-03-25 · 4 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
○ 2026-03-28 00:04:36
○ 2026-04-14 02:19:26

○A13.33.235.512026-03-25 → 2026-03-25 · 4 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
○ 2026-03-28 00:04:36
○ 2026-04-14 02:19:26

○A13.33.235.922026-03-25 → 2026-03-25 · 4 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
○ 2026-03-28 00:04:36
○ 2026-04-14 02:19:26

○A13.33.235.972026-03-25 → 2026-03-25 · 4 obs

○ 2017-08-07 23:42:08
● 2026-03-25 18:25:56
○ 2026-03-28 00:04:36
○ 2026-04-14 02:19:26

○A13.33.252.352026-04-02 → 2026-04-11 · 14 obs

○ 2026-04-01 15:41:28
● 2026-04-02 09:05:10
○ 2026-04-02 13:43:18
○ 2026-04-09 22:52:56
● 2026-04-09 23:55:08
○ 2026-04-10 00:44:38
● 2026-04-10 05:24:56
● 2026-04-10 06:12:20
○ 2026-04-10 13:59:36
○ 2026-04-11 01:15:50
● 2026-04-11 06:36:50
● 2026-04-11 08:02:14
○ 2026-04-12 05:01:12
○ 2026-04-14 02:19:26

○A13.33.252.392026-04-02 → 2026-04-11 · 14 obs

○A13.33.252.42026-04-02 → 2026-04-11 · 14 obs

○A13.33.252.892026-04-02 → 2026-04-11 · 14 obs

○A18.165.25.1282026-03-29 → 2026-04-06 · 8 obs

○ 2026-03-29 04:41:26
● 2026-03-29 09:19:04
● 2026-03-29 11:55:10
○ 2026-03-29 15:09:28
○ 2026-04-06 03:59:50
● 2026-04-06 08:25:40
○ 2026-04-06 13:44:38
○ 2026-04-14 02:19:26

○A18.165.25.162026-03-29 → 2026-04-06 · 8 obs

○ 2026-03-29 04:41:26
● 2026-03-29 09:19:04
● 2026-03-29 11:55:10
○ 2026-03-29 15:09:28
○ 2026-04-06 03:59:50
● 2026-04-06 08:25:40
○ 2026-04-06 13:44:38
○ 2026-04-14 02:19:26

○A18.165.25.522026-03-29 → 2026-04-06 · 8 obs

○ 2026-03-29 04:41:26
● 2026-03-29 09:19:04
● 2026-03-29 11:55:10
○ 2026-03-29 15:09:28
○ 2026-04-06 03:59:50
● 2026-04-06 08:25:40
○ 2026-04-06 13:44:38
○ 2026-04-14 02:19:26

○A18.165.25.992026-03-29 → 2026-04-06 · 8 obs

○ 2026-03-29 04:41:26
● 2026-03-29 09:19:04
● 2026-03-29 11:55:10
○ 2026-03-29 15:09:28
○ 2026-04-06 03:59:50
● 2026-04-06 08:25:40
○ 2026-04-06 13:44:38
○ 2026-04-14 02:19:26

○A222.122.39.162015-06-06 → 2017-08-07 · 4 obs

● 2015-06-06 05:09:26
● 2017-08-07 23:42:08
○ 2026-03-25 18:25:56
○ 2026-04-14 02:19:26

○A3.163.83.1042026-04-01 → 2026-04-06 · 13 obs

○ 2026-03-31 21:42:36
● 2026-04-01 00:43:52
○ 2026-04-01 01:29:42
○ 2026-04-02 09:05:10
● 2026-04-02 13:43:18
○ 2026-04-02 18:01:56
○ 2026-04-05 07:04:32
● 2026-04-06 02:32:58
○ 2026-04-06 03:59:50
○ 2026-04-06 13:44:38
● 2026-04-06 16:19:22
○ 2026-04-06 18:58:14
○ 2026-04-14 02:19:26

○A3.163.83.1252026-04-01 → 2026-04-06 · 13 obs

○A3.163.83.132026-04-01 → 2026-04-06 · 13 obs

○A3.163.83.732026-04-01 → 2026-04-06 · 13 obs

○A3.167.112.402026-03-28 → 2026-04-07 · 10 obs

○ 2026-03-28 00:04:36
● 2026-03-28 05:51:24
○ 2026-03-28 06:21:44
○ 2026-04-02 18:01:56
● 2026-04-04 17:52:18
○ 2026-04-04 18:36:40
○ 2026-04-06 18:58:14
● 2026-04-07 00:38:46
○ 2026-04-07 01:10:10
○ 2026-04-14 02:19:26

○A3.167.112.562026-03-28 → 2026-04-07 · 10 obs

○A3.167.112.592026-03-28 → 2026-04-07 · 10 obs

○A3.167.112.752026-03-28 → 2026-04-07 · 10 obs

○A52.222.177.1152026-03-28 → 2026-04-13 · 40 obs

○ 2026-03-25 18:25:56
● 2026-03-28 00:04:36
○ 2026-03-28 05:51:24
○ 2026-03-29 11:55:10
● 2026-03-29 15:09:28
● 2026-03-31 04:41:50
○ 2026-03-31 11:08:54
● 2026-03-31 15:44:28
○ 2026-03-31 21:42:36
○ 2026-04-01 00:43:52
● 2026-04-01 01:29:42
● 2026-04-01 15:41:28
○ 2026-04-02 09:05:10
○ 2026-04-02 13:43:18
● 2026-04-02 18:01:56
○ 2026-04-04 17:52:18
● 2026-04-04 18:36:40
● 2026-04-05 07:04:32
○ 2026-04-06 02:32:58
● 2026-04-06 03:59:50
○ 2026-04-06 08:25:40
● 2026-04-06 13:44:38
○ 2026-04-06 16:19:22
● 2026-04-06 18:58:14
○ 2026-04-07 00:38:46
● 2026-04-07 01:10:10
● 2026-04-09 18:06:40
○ 2026-04-09 22:52:56
○ 2026-04-09 23:55:08
● 2026-04-10 00:44:38
○ 2026-04-10 05:24:56
○ 2026-04-10 06:12:20
● 2026-04-10 13:59:36
● 2026-04-11 01:15:50
○ 2026-04-11 06:36:50
○ 2026-04-11 08:02:14
● 2026-04-12 05:01:12
● 2026-04-13 06:43:40
○ 2026-04-14 02:19:24
○ 2026-04-14 02:19:26

○A52.222.177.532026-03-28 → 2026-04-13 · 40 obs

○A52.222.177.702026-03-28 → 2026-04-13 · 40 obs

○A52.222.177.952026-03-28 → 2026-04-13 · 40 obs

●A52.85.78.1092026-03-29 → 2026-04-14 · 15 obs

○ 2026-03-28 06:21:44
● 2026-03-29 00:23:32
● 2026-03-29 04:41:26
○ 2026-03-29 09:19:04
○ 2026-03-31 04:41:50
● 2026-03-31 11:08:54
○ 2026-03-31 15:44:28
● 2026-03-31 21:42:36
○ 2026-04-01 00:43:52
○ 2026-04-09 18:06:40
● 2026-04-09 22:52:56
○ 2026-04-09 23:55:08
○ 2026-04-13 06:43:40
● 2026-04-14 02:19:24
● 2026-04-14 02:19:26

●A52.85.78.1132026-03-29 → 2026-04-14 · 15 obs

●A52.85.78.352026-03-29 → 2026-04-14 · 15 obs

●A52.85.78.482026-03-29 → 2026-04-14 · 15 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
sejongmulsan.com	cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.196.138

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sejongmulsan.com (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.85.78.35, 52.85.78.48...`
NS	4	`cns1.hostcocoa.com, cns2.hostcocoa.com...`
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

sejongmulsan.com resolves to four IP numbers: 52.85.78.35, 52.85.78.48, 52.85.78.109 and 52.85.78.113.

other host names for instance daydreamsquilts.com, d2lxet69t9z07y.cloudfront.net, mootagi.com, open-images.acast.com and jakecormier.net share IP numbers with sejongmulsan.com.

Name Servers

sejongmulsan.com is delegated to four name servers: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com and cns4.hostcocoa.com.

sejongmulsan.com at least partially shares name servers with other domains, for instance ecofire.co.kr, castingi.co.kr, onlplan.com, avecheal.com and ablemax.co.kr.

Host names with one IP number:

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

sejongmulsan.com - robtex.com