knowledgepen.com - dns.ninja

`knowledgepen.com`

DNSSEC	⚠️ Not signed
A	13.249.96.14^{🇺🇸 Amazon13.249.96.0/24}
		PTR	`server-13-249-96-14.mia3.r.cloudfront.net`
A	13.249.96.55^{🇺🇸 Amazon13.249.96.0/24}
A	13.249.96.83^{🇺🇸 Amazon13.249.96.0/24}
A	13.249.96.104^{🇺🇸 Amazon13.249.96.0/24}
NS	`ens1.hostcocoa.com` ⭐
		A	205.251.195.69^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-837.awsdns-40.net`
NS	`ens2.hostcocoa.com`
		A	205.251.196.43^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1067.awsdns-05.org`
NS	`ens3.hostcocoa.com`
		A	205.251.199.129^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1921.awsdns-48.co.uk`
NS	`ens4.hostcocoa.com`
		A	205.251.192.62^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-62.awsdns-07.com`
MX	`spam.cafe24.com` ⭐
		A	183.110.229.114^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
TXT	`v=spf1 include:spf.cafe24.com ~all`
SOA	`ens1.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=1786686414

Previously NS for

knowledgepen.com

Subdomains

webmail.knowledgepen.com

Same first word

knowledgepen.com

DNS History

125 records (9 active, 116 former)

●NSens1.hostcocoa.com2026-02-15 → 2026-08-14 · 6 obs

○ 2018-06-01 03:41:58
● 2026-02-15 09:10:42
● 2026-04-29 10:36:38
○ 2026-04-29 13:25:00
● 2026-04-29 14:03:38
● 2026-08-14 05:58:52

●NSens2.hostcocoa.com2026-02-15 → 2026-08-14 · 6 obs

○ 2018-06-01 03:41:58
● 2026-02-15 09:10:42
● 2026-04-29 10:36:38
○ 2026-04-29 13:25:00
● 2026-04-29 14:03:38
● 2026-08-14 05:58:52

●NSens3.hostcocoa.com2026-02-15 → 2026-08-14 · 6 obs

○ 2018-06-01 03:41:58
● 2026-02-15 09:10:42
● 2026-04-29 10:36:38
○ 2026-04-29 13:25:00
● 2026-04-29 14:03:38
● 2026-08-14 05:58:52

●NSens4.hostcocoa.com2026-02-15 → 2026-08-14 · 6 obs

○ 2018-06-01 03:41:58
● 2026-02-15 09:10:42
● 2026-04-29 10:36:38
○ 2026-04-29 13:25:00
● 2026-04-29 14:03:38
● 2026-08-14 05:58:52

○NSknowledgepen.com2015-06-11 → 2018-06-01 · 4 obs

● 2015-06-11 06:06:48
● 2018-06-01 03:41:58
○ 2026-02-15 09:10:42
○ 2026-08-14 05:58:52

○NSns1.cafe24.co.kr2015-06-11 → 2018-06-01 · 4 obs

● 2015-06-11 06:06:48
● 2018-06-01 03:41:58
○ 2026-02-15 09:10:42
○ 2026-08-14 05:58:52

○NSns1.cafe24.com2015-06-11 → 2018-06-01 · 4 obs

● 2015-06-11 06:06:48
● 2018-06-01 03:41:58
○ 2026-02-15 09:10:42
○ 2026-08-14 05:58:52

○NSns2.cafe24.co.kr2015-06-11 → 2018-06-01 · 4 obs

● 2015-06-11 06:06:48
● 2018-06-01 03:41:58
○ 2026-02-15 09:10:42
○ 2026-08-14 05:58:52

○NSns2.cafe24.com2015-06-11 → 2018-06-01 · 4 obs

● 2015-06-11 06:06:48
● 2018-06-01 03:41:58
○ 2026-02-15 09:10:42
○ 2026-08-14 05:58:52

○MX222.231.31.332015-10-23 → 2018-06-01 · 5 obs

○ 2015-06-11 06:06:48
● 2015-10-23 21:21:30
● 2018-06-01 03:41:58
○ 2026-02-15 09:10:42
○ 2026-08-14 05:58:52

○MX222.231.31.332015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 06:06:48
○ 2015-10-23 21:21:30
○ 2026-08-14 05:58:52

●MXspam.cafe24.com2026-02-15 → 2026-08-14 · 6 obs

○ 2018-06-01 03:41:58
● 2026-02-15 09:10:42
● 2026-04-29 10:36:38
○ 2026-04-29 13:25:00
● 2026-04-29 14:03:38
● 2026-08-14 05:58:52

○A108.138.106.1012026-03-07 → 2026-05-20 · 17 obs

○ 2026-03-03 22:37:34
● 2026-03-07 23:07:18
○ 2026-03-08 06:36:52
○ 2026-03-14 06:40:18
● 2026-03-14 07:51:02
○ 2026-03-14 08:31:52
○ 2026-04-04 23:32:32
● 2026-04-05 01:28:34
● 2026-04-05 18:30:28
○ 2026-04-05 20:34:52
○ 2026-04-10 17:38:14
● 2026-04-11 06:51:16
○ 2026-04-11 15:08:46
○ 2026-05-20 14:37:32
● 2026-05-20 17:22:48
○ 2026-05-20 22:47:12
○ 2026-08-14 05:58:52

○A108.138.106.1092026-03-07 → 2026-05-20 · 17 obs

○A108.138.106.1262026-03-07 → 2026-05-20 · 17 obs

○A108.138.106.572026-03-07 → 2026-05-20 · 17 obs

○A108.156.152.452026-04-02 → 2026-06-19 · 11 obs

○ 2026-04-01 01:02:40
● 2026-04-02 18:44:08
○ 2026-04-02 20:42:22
○ 2026-04-04 01:19:20
● 2026-04-04 06:49:42
○ 2026-04-04 07:30:42
● 2026-04-04 12:34:58
○ 2026-04-04 15:24:48
● 2026-06-19 05:55:40
○ 2026-06-19 10:13:04
○ 2026-08-14 05:58:52

○A108.156.152.772026-04-02 → 2026-06-19 · 11 obs

○A108.156.152.852026-04-02 → 2026-06-19 · 11 obs

○A108.156.152.922026-04-02 → 2026-06-19 · 11 obs

○A118.219.232.312015-06-11 → 2018-06-01 · 4 obs

● 2015-06-11 06:06:48
● 2018-06-01 03:41:58
○ 2026-02-15 09:10:42
○ 2026-08-14 05:58:52

○A13.226.155.132026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-14 08:31:52
● 2026-03-22 12:49:24
○ 2026-03-22 13:56:08
○ 2026-08-14 05:58:52

○A13.226.155.262026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-14 08:31:52
● 2026-03-22 12:49:24
○ 2026-03-22 13:56:08
○ 2026-08-14 05:58:52

○A13.226.155.292026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-14 08:31:52
● 2026-03-22 12:49:24
○ 2026-03-22 13:56:08
○ 2026-08-14 05:58:52

○A13.226.155.362026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-14 08:31:52
● 2026-03-22 12:49:24
○ 2026-03-22 13:56:08
○ 2026-08-14 05:58:52

○A13.227.231.142026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-25 15:24:36
● 2026-07-26 07:33:28
○ 2026-07-26 14:07:44
● 2026-07-28 02:02:34
○ 2026-07-28 04:10:40
○ 2026-08-14 05:58:52

○A13.227.231.22026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-25 15:24:36
● 2026-07-26 07:33:28
○ 2026-07-26 14:07:44
● 2026-07-28 02:02:34
○ 2026-07-28 04:10:40
○ 2026-08-14 05:58:52

○A13.227.231.322026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-25 15:24:36
● 2026-07-26 07:33:28
○ 2026-07-26 14:07:44
● 2026-07-28 02:02:34
○ 2026-07-28 04:10:40
○ 2026-08-14 05:58:52

○A13.227.231.742026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-25 15:24:36
● 2026-07-26 07:33:28
○ 2026-07-26 14:07:44
● 2026-07-28 02:02:34
○ 2026-07-28 04:10:40
○ 2026-08-14 05:58:52

●A13.249.96.1042026-04-08 → 2026-08-14 · 44 obs

○ 2026-04-07 14:24:56
● 2026-04-08 00:32:44
○ 2026-04-08 01:16:02
○ 2026-04-08 15:19:54
● 2026-04-08 19:03:30
○ 2026-04-08 22:45:40
○ 2026-06-18 06:27:46
● 2026-07-01 10:19:40
● 2026-07-18 05:33:54
○ 2026-07-20 17:15:34
○ 2026-07-28 07:57:06
● 2026-07-30 18:25:44
● 2026-08-01 07:21:30
○ 2026-08-01 19:05:38
● 2026-08-02 06:10:20
○ 2026-08-02 08:10:14
● 2026-08-02 14:16:22
○ 2026-08-02 18:02:24
● 2026-08-02 23:21:26
○ 2026-08-03 11:39:12
● 2026-08-03 16:45:58
○ 2026-08-04 15:02:38
● 2026-08-05 02:13:58
○ 2026-08-06 00:46:24
● 2026-08-06 23:47:26
○ 2026-08-07 01:04:04
● 2026-08-07 02:43:20
○ 2026-08-07 07:59:34
● 2026-08-07 18:52:24
○ 2026-08-08 00:46:16
● 2026-08-08 05:00:56
○ 2026-08-08 10:49:42
● 2026-08-09 01:51:04
○ 2026-08-09 08:27:56
● 2026-08-10 00:17:42
○ 2026-08-11 00:45:54
● 2026-08-11 11:51:24
○ 2026-08-12 02:28:26
● 2026-08-12 11:06:08
○ 2026-08-12 20:17:36
● 2026-08-13 05:33:30
○ 2026-08-14 04:35:14
● 2026-08-14 05:20:20
● 2026-08-14 05:58:52

●A13.249.96.142026-04-08 → 2026-08-14 · 44 obs

●A13.249.96.552026-04-08 → 2026-08-14 · 44 obs

●A13.249.96.832026-04-08 → 2026-08-14 · 44 obs

○A13.249.98.352026-03-28 → 2026-06-01 · 18 obs

○ 2026-03-26 08:36:04
● 2026-03-28 13:59:04
○ 2026-03-28 14:32:42
○ 2026-03-28 19:01:32
● 2026-03-28 23:33:38
● 2026-03-29 18:29:14
○ 2026-03-30 00:23:26
○ 2026-03-31 01:26:46
● 2026-03-31 18:49:46
○ 2026-04-01 01:02:40
○ 2026-05-30 01:30:38
● 2026-05-30 10:56:06
● 2026-05-31 08:34:46
○ 2026-05-31 10:49:30
● 2026-05-31 12:08:38
● 2026-06-01 06:58:30
○ 2026-06-01 08:53:56
○ 2026-08-14 05:58:52

○A13.249.98.522026-03-28 → 2026-06-01 · 18 obs

○A13.249.98.532026-03-28 → 2026-06-01 · 18 obs

○A13.249.98.992026-03-28 → 2026-06-01 · 18 obs

○A13.33.109.1132026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-25 13:38:12
● 2026-04-29 08:01:28
○ 2026-04-29 10:36:38
○ 2026-08-14 05:58:52

○A13.33.109.322026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-25 13:38:12
● 2026-04-29 08:01:28
○ 2026-04-29 10:36:38
○ 2026-08-14 05:58:52

○A13.33.109.712026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-25 13:38:12
● 2026-04-29 08:01:28
○ 2026-04-29 10:36:38
○ 2026-08-14 05:58:52

○A13.33.109.762026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-25 13:38:12
● 2026-04-29 08:01:28
○ 2026-04-29 10:36:38
○ 2026-08-14 05:58:52

○A13.33.235.1212026-07-12 → 2026-07-16 · 14 obs

○ 2026-07-11 14:05:32
● 2026-07-12 12:39:46
○ 2026-07-12 18:14:32
● 2026-07-12 20:22:34
○ 2026-07-12 21:42:46
● 2026-07-13 10:32:54
○ 2026-07-13 22:00:28
● 2026-07-14 00:46:16
○ 2026-07-14 09:56:52
● 2026-07-15 12:51:36
○ 2026-07-16 06:23:36
● 2026-07-16 13:26:56
○ 2026-07-17 05:45:46
○ 2026-08-14 05:58:52

○A13.33.235.502026-07-12 → 2026-07-16 · 14 obs

○A13.33.235.82026-07-12 → 2026-07-16 · 14 obs

○A13.33.235.852026-07-12 → 2026-07-16 · 14 obs

○A13.35.107.512026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 04:10:40
● 2026-07-28 07:57:06
○ 2026-07-28 19:37:12
○ 2026-08-14 05:58:52

○A13.35.107.722026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 04:10:40
● 2026-07-28 07:57:06
○ 2026-07-28 19:37:12
○ 2026-08-14 05:58:52

○A13.35.107.872026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 04:10:40
● 2026-07-28 07:57:06
○ 2026-07-28 19:37:12
○ 2026-08-14 05:58:52

○A13.35.107.962026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 04:10:40
● 2026-07-28 07:57:06
○ 2026-07-28 19:37:12
○ 2026-08-14 05:58:52

○A18.161.34.1062026-04-20 → 2026-05-26 · 16 obs

○ 2026-04-15 01:12:28
● 2026-04-20 18:52:52
○ 2026-04-21 00:40:18
● 2026-04-21 01:46:08
● 2026-04-21 13:02:20
○ 2026-04-21 23:53:54
● 2026-04-23 00:39:34
● 2026-04-25 01:27:56
○ 2026-04-25 07:03:58
○ 2026-05-03 10:13:54
● 2026-05-04 13:23:46
○ 2026-05-04 21:31:44
○ 2026-05-25 22:31:52
● 2026-05-26 00:51:56
○ 2026-05-26 02:16:40
○ 2026-08-14 05:58:52

○A18.161.34.1232026-04-20 → 2026-05-26 · 16 obs

○A18.161.34.592026-04-20 → 2026-05-26 · 16 obs

○A18.161.34.822026-04-20 → 2026-05-26 · 16 obs

○A18.164.144.1082026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 17:18:04
● 2026-06-05 21:46:08
○ 2026-06-05 22:20:58
○ 2026-08-14 05:58:52

○A18.164.144.482026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 17:18:04
● 2026-06-05 21:46:08
○ 2026-06-05 22:20:58
○ 2026-08-14 05:58:52

○A18.164.144.812026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 17:18:04
● 2026-06-05 21:46:08
○ 2026-06-05 22:20:58
○ 2026-08-14 05:58:52

○A18.164.144.822026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 17:18:04
● 2026-06-05 21:46:08
○ 2026-06-05 22:20:58
○ 2026-08-14 05:58:52

○A18.165.140.122026-03-23 → 2026-08-13 · 23 obs

○ 2026-03-22 15:10:16
● 2026-03-23 10:15:56
○ 2026-03-23 14:23:22
○ 2026-03-24 15:46:08
● 2026-03-24 20:01:40
○ 2026-03-24 20:54:08
○ 2026-03-25 01:30:12
● 2026-03-25 08:05:58
○ 2026-03-25 10:09:46
○ 2026-03-25 22:32:06
● 2026-03-26 05:36:00
○ 2026-03-26 08:36:04
● 2026-08-07 01:04:04
○ 2026-08-07 02:43:20
● 2026-08-07 11:58:24
○ 2026-08-07 18:52:24
● 2026-08-08 00:46:16
○ 2026-08-08 05:00:56
● 2026-08-08 23:00:40
○ 2026-08-09 01:51:04
● 2026-08-13 00:45:20
○ 2026-08-13 05:33:30
○ 2026-08-14 05:58:52

○A18.165.140.292026-03-23 → 2026-08-13 · 23 obs

○A18.165.140.522026-03-23 → 2026-08-13 · 23 obs

○A18.165.140.882026-03-23 → 2026-08-13 · 23 obs

○A18.165.25.1162026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 00:23:26
● 2026-03-30 01:28:44
○ 2026-03-30 04:32:58
○ 2026-08-14 05:58:52

○A18.165.25.142026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 00:23:26
● 2026-03-30 01:28:44
○ 2026-03-30 04:32:58
○ 2026-08-14 05:58:52

○A18.165.25.162026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 00:23:26
● 2026-03-30 01:28:44
○ 2026-03-30 04:32:58
○ 2026-08-14 05:58:52

○A18.165.25.482026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 00:23:26
● 2026-03-30 01:28:44
○ 2026-03-30 04:32:58
○ 2026-08-14 05:58:52

○A18.165.53.1172026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 04:32:58
● 2026-03-30 12:56:52
○ 2026-03-30 15:55:36
○ 2026-08-14 05:58:52

○A18.165.53.212026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 04:32:58
● 2026-03-30 12:56:52
○ 2026-03-30 15:55:36
○ 2026-08-14 05:58:52

○A18.165.53.572026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 04:32:58
● 2026-03-30 12:56:52
○ 2026-03-30 15:55:36
○ 2026-08-14 05:58:52

○A18.165.53.672026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 04:32:58
● 2026-03-30 12:56:52
○ 2026-03-30 15:55:36
○ 2026-08-14 05:58:52

○A18.244.124.1112026-02-15 → 2026-06-30 · 16 obs

○ 2018-06-01 03:41:58
● 2026-02-15 09:10:42
○ 2026-02-15 23:07:36
● 2026-02-16 02:17:46
● 2026-02-16 03:12:12
○ 2026-02-16 23:06:38
○ 2026-04-25 01:27:56
● 2026-04-25 13:38:12
● 2026-05-18 16:34:04
○ 2026-05-18 19:25:42
○ 2026-06-26 19:28:52
● 2026-06-29 22:11:30
○ 2026-06-30 00:41:46
● 2026-06-30 04:38:04
○ 2026-06-30 22:42:46
○ 2026-08-14 05:58:52

○A18.244.124.422026-02-15 → 2026-06-30 · 16 obs

○A18.244.124.832026-02-15 → 2026-06-30 · 16 obs

○A18.244.124.962026-02-15 → 2026-06-30 · 16 obs

○A3.161.150.1122026-03-30 → 2026-07-30 · 17 obs

○ 2026-03-29 18:29:14
● 2026-03-30 00:23:26
○ 2026-03-30 01:28:44
○ 2026-03-30 23:09:52
● 2026-03-31 01:26:46
○ 2026-03-31 03:08:30
○ 2026-06-21 10:32:26
● 2026-06-22 19:29:16
● 2026-06-24 22:57:40
○ 2026-06-27 03:56:34
○ 2026-07-02 19:30:20
● 2026-07-26 19:53:12
● 2026-07-29 20:54:04
○ 2026-07-30 00:45:50
● 2026-07-30 01:19:24
○ 2026-07-30 18:25:44
○ 2026-08-14 05:58:52

○A3.161.150.1162026-03-30 → 2026-07-30 · 17 obs

○A3.161.150.422026-03-30 → 2026-07-30 · 17 obs

○A3.161.150.872026-03-30 → 2026-07-30 · 17 obs

○A3.162.103.1032026-02-15 → 2026-08-14 · 37 obs

○ 2026-02-15 09:10:42
● 2026-02-15 23:07:36
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● 2026-08-04 15:02:38
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● 2026-08-06 22:29:32
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● 2026-08-07 07:59:34
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● 2026-08-12 02:28:26
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● 2026-08-12 21:32:22
○ 2026-08-13 00:45:20
● 2026-08-14 04:35:14
○ 2026-08-14 05:20:20
○ 2026-08-14 05:58:52

○A3.162.103.442026-02-15 → 2026-08-14 · 37 obs

○A3.162.103.492026-02-15 → 2026-08-14 · 37 obs

○A3.162.103.992026-02-15 → 2026-08-14 · 37 obs

○A3.162.3.1032026-04-06 → 2026-05-07 · 9 obs

○ 2026-04-05 20:34:52
● 2026-04-06 07:18:38
○ 2026-04-06 20:54:28
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○ 2026-05-07 18:22:56
● 2026-05-07 22:25:42
○ 2026-05-07 23:43:02
○ 2026-08-14 05:58:52

○A3.162.3.1092026-04-06 → 2026-05-07 · 9 obs

○A3.162.3.1152026-04-06 → 2026-05-07 · 9 obs

○A3.162.3.782026-04-06 → 2026-05-07 · 9 obs

○A3.166.192.1182026-04-14 → 2026-07-31 · 18 obs

○ 2026-04-12 14:03:22
● 2026-04-14 11:40:36
○ 2026-04-14 12:37:16
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● 2026-04-14 19:00:50
○ 2026-04-15 01:12:28
○ 2026-06-13 00:38:58
● 2026-07-12 18:14:32
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● 2026-07-20 17:15:34
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○ 2026-08-14 05:58:52

○A3.166.192.142026-04-14 → 2026-07-31 · 18 obs

○A3.166.192.802026-04-14 → 2026-07-31 · 18 obs

○A3.166.192.852026-04-14 → 2026-07-31 · 18 obs

○A3.167.183.242026-05-19 → 2026-07-02 · 18 obs

○ 2026-05-18 19:25:42
● 2026-05-19 08:22:54
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○ 2026-05-21 19:45:38
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○ 2026-07-02 08:59:40
○ 2026-08-14 05:58:52

○A3.167.183.502026-05-19 → 2026-07-02 · 18 obs

○A3.167.183.682026-05-19 → 2026-07-02 · 18 obs

○A3.167.183.742026-05-19 → 2026-07-02 · 18 obs

○A3.167.56.1202026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:52
● 2026-03-09 10:06:44
○ 2026-03-09 12:18:24
○ 2026-08-14 05:58:52

○A3.167.56.412026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:52
● 2026-03-09 10:06:44
○ 2026-03-09 12:18:24
○ 2026-08-14 05:58:52

○A3.167.56.652026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:52
● 2026-03-09 10:06:44
○ 2026-03-09 12:18:24
○ 2026-08-14 05:58:52

○A3.167.56.772026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:52
● 2026-03-09 10:06:44
○ 2026-03-09 12:18:24
○ 2026-08-14 05:58:52

○A3.168.147.272026-07-03 → 2026-07-30 · 18 obs

○ 2026-07-02 19:30:20
● 2026-07-03 12:18:14
○ 2026-07-03 21:27:58
● 2026-07-04 00:44:00
○ 2026-07-04 16:38:06
● 2026-07-07 13:48:36
○ 2026-07-09 11:23:38
○ 2026-07-11 01:30:38
● 2026-07-18 00:44:32
○ 2026-07-18 05:33:54
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● 2026-07-23 00:44:38
● 2026-07-25 00:44:30
○ 2026-07-25 02:43:36
● 2026-07-30 00:45:50
○ 2026-07-30 01:19:24
○ 2026-08-14 05:58:52

○A3.168.147.422026-07-03 → 2026-07-30 · 18 obs

○A3.168.147.52026-07-03 → 2026-07-30 · 18 obs

○A3.168.147.682026-07-03 → 2026-07-30 · 18 obs

○A3.174.255.1002026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 22:20:58
● 2026-06-06 01:01:52
○ 2026-06-06 03:40:50
○ 2026-08-14 05:58:52

○A3.174.255.722026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 22:20:58
● 2026-06-06 01:01:52
○ 2026-06-06 03:40:50
○ 2026-08-14 05:58:52

○A3.174.255.812026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 22:20:58
● 2026-06-06 01:01:52
○ 2026-06-06 03:40:50
○ 2026-08-14 05:58:52

○A3.174.255.942026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-05 22:20:58
● 2026-06-06 01:01:52
○ 2026-06-06 03:40:50
○ 2026-08-14 05:58:52

○A52.222.154.1212026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 07:33:28
● 2026-07-26 14:07:44
○ 2026-07-26 15:28:14
○ 2026-08-14 05:58:52

○A52.222.154.332026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 07:33:28
● 2026-07-26 14:07:44
○ 2026-07-26 15:28:14
○ 2026-08-14 05:58:52

○A52.222.154.552026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 07:33:28
● 2026-07-26 14:07:44
○ 2026-07-26 15:28:14
○ 2026-08-14 05:58:52

○A52.222.154.642026-07-26 → 2026-07-26 · 4 obs

○ 2026-07-26 07:33:28
● 2026-07-26 14:07:44
○ 2026-07-26 15:28:14
○ 2026-08-14 05:58:52

○A52.84.20.1132026-02-24 → 2026-08-12 · 33 obs

○ 2026-02-16 23:06:38
● 2026-02-24 12:03:00
○ 2026-02-24 13:09:00
○ 2026-02-25 23:07:44
● 2026-02-26 00:58:18
● 2026-02-26 12:14:20
○ 2026-02-27 00:17:16
○ 2026-03-01 08:05:40
● 2026-03-02 07:52:12
● 2026-03-03 05:52:48
○ 2026-03-03 22:37:34
○ 2026-03-22 15:10:16
● 2026-07-31 18:32:56
○ 2026-08-01 07:21:30
● 2026-08-01 19:05:38
○ 2026-08-02 06:10:20
● 2026-08-02 08:10:14
○ 2026-08-02 14:16:22
● 2026-08-02 18:02:24
○ 2026-08-02 23:21:26
● 2026-08-03 11:39:12
○ 2026-08-03 16:45:58
● 2026-08-06 00:46:24
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● 2026-08-08 21:48:38
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● 2026-08-11 00:45:54
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● 2026-08-11 05:42:52
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● 2026-08-12 20:17:36
○ 2026-08-12 21:32:22
○ 2026-08-14 05:58:52

○A52.84.20.1202026-02-24 → 2026-08-12 · 33 obs

○A52.84.20.632026-02-24 → 2026-08-12 · 33 obs

○A52.84.20.742026-02-24 → 2026-08-12 · 33 obs

○A52.85.78.1082026-04-07 → 2026-08-12 · 20 obs

○ 2026-04-06 20:54:28
● 2026-04-07 07:05:36
○ 2026-04-07 14:24:56
○ 2026-04-12 05:42:22
● 2026-04-12 07:04:20
○ 2026-04-12 14:03:22
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● 2026-06-30 22:42:46
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● 2026-07-09 13:18:48
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● 2026-07-23 11:56:26
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● 2026-07-25 11:58:06
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● 2026-08-09 13:27:50
○ 2026-08-10 00:17:42
● 2026-08-12 09:39:10
○ 2026-08-12 11:06:08
○ 2026-08-14 05:58:52

○A52.85.78.462026-04-07 → 2026-08-12 · 20 obs

○A52.85.78.772026-04-07 → 2026-08-12 · 20 obs

○A52.85.78.812026-04-07 → 2026-08-12 · 20 obs

○A54.192.151.272026-05-27 → 2026-06-05 · 17 obs

○ 2026-05-27 14:04:14
● 2026-05-27 20:02:32
● 2026-05-27 20:39:52
○ 2026-05-27 21:21:48
○ 2026-06-01 22:37:30
● 2026-06-02 03:45:04
● 2026-06-02 14:41:30
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● 2026-06-04 11:53:54
○ 2026-06-04 13:03:32
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● 2026-06-05 10:43:34
○ 2026-06-05 11:31:48
● 2026-06-05 16:43:56
○ 2026-06-05 17:18:04
○ 2026-08-14 05:58:52

○A54.192.151.502026-05-27 → 2026-06-05 · 17 obs

○A54.192.151.542026-05-27 → 2026-06-05 · 17 obs

○A54.192.151.912026-05-27 → 2026-06-05 · 17 obs

○A65.8.76.1102026-05-28 → 2026-06-02 · 10 obs

○ 2026-05-27 21:21:48
● 2026-05-28 00:50:34
○ 2026-05-28 01:23:30
○ 2026-05-29 23:57:44
● 2026-05-30 00:52:14
○ 2026-05-30 01:30:38
○ 2026-06-02 00:21:02
● 2026-06-02 01:01:04
○ 2026-06-02 01:33:12
○ 2026-08-14 05:58:52

○A65.8.76.262026-05-28 → 2026-06-02 · 10 obs

○A65.8.76.522026-05-28 → 2026-06-02 · 10 obs

○A65.8.76.82026-05-28 → 2026-06-02 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...	-
knowledgepen.com	ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com, ens4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.199.129

NS records: ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com, ens4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgepen.com (unsigned zone)

⏱️ Timing

Total: 243ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.103.49, 3.162.103.103...`
NS	4	`ens1.hostcocoa.com, ens2.hostcocoa.com...`
MX	1	`spam.cafe24.com (pri: 10)`
TXT	1	`v=spf1 include:spf.cafe24.com ~all`
SOA	1	`ens1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com...)

Analysis

Hierarchy

webmail.knowledgepen.com is a subdomain of knowledgepen.com.

IP Addresses

knowledgepen.com points to the four IP addresses 13.249.96.14, 13.249.96.55, 13.249.96.83 and 13.249.96.104.

Additional host names — oca.do, server-13-249-96-55.mia3.r.cloudfront.net, fungogourmet.com.mx and two others — share IP numbers with knowledgepen.com.

Name Servers

knowledgepen.com has four authoritative name servers: ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com and ens4.hostcocoa.com.

The name servers of knowledgepen.com overlap at least partially with those of other domains — among them s-solution.kr, namuon.com, atillita.com and two more.

ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com and ens4.hostcocoa.com each resolve to one IP address: ens1.hostcocoa.com resolves to 205.251.195.69, ens2.hostcocoa.com resolves to 205.251.196.43, ens3.hostcocoa.com resolves to 205.251.199.129 and ens4.hostcocoa.com resolves to 205.251.192.62.

Mail Servers

knowledgepen.com has one mail server: spam.cafe24.com.

knowledgepen.com shares the same mail server setup as other domains, including mediaplan.co.kr, mujintna.com, tovacanvas.com and two others.

The mail servers of knowledgepen.com overlap at least partially with those of other domains, including coitcom.co.kr, bcjet.com and sunjin21.net.

These mail servers are frequently seen alongside the mail servers kr1-aspmx2.worksmobile.com.

spam.cafe24.com points to one IP number — 183.110.229.114.