`simplekey.kr`

DNSSEC	⚠️ Not signed
A	13.33.109.33^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-33.bos50.r.cloudfront.net`
A	13.33.109.73^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.114^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.122^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
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	`smtp.google.com` ⭐
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	2607:f8b0:4023:c0b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f26.1e100.net`
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	2607:f8b0:4023:c0d::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dl-in-f26.1e100.net`
		A	142.250.101.27^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f27.1e100.net`
		A	142.250.141.26^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f26.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
		A	142.251.2.26^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f26.1e100.net`
		A	142.251.2.27^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f27.1e100.net`
SOA	`cns1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=1

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2604230977

Same first word

simplekey.de

simplekey.kr

simplekey.co

DNS History

45 records (9 active, 36 former)

●NScns1.hostcocoa.com2026-02-15 → 2026-04-23 · 2 obs

● 2026-02-15 17:09:02
● 2026-04-23 15:49:48

●NScns2.hostcocoa.com2026-02-15 → 2026-04-23 · 2 obs

● 2026-02-15 17:09:02
● 2026-04-23 15:49:48

●NScns3.hostcocoa.com2026-02-15 → 2026-04-23 · 2 obs

● 2026-02-15 17:09:02
● 2026-04-23 15:49:48

●NScns4.hostcocoa.com2026-02-15 → 2026-04-23 · 2 obs

● 2026-02-15 17:09:02
● 2026-04-23 15:49:48

●MXsmtp.google.com2026-02-15 → 2026-04-23 · 2 obs

● 2026-02-15 17:09:02
● 2026-04-23 15:49:48

●A13.33.109.1142026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-23 07:55:54
● 2026-04-23 11:16:02
○ 2026-04-23 12:07:20
○ 2026-04-23 12:59:30
● 2026-04-23 15:49:48

●A13.33.109.1222026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-23 07:55:54
● 2026-04-23 11:16:02
○ 2026-04-23 12:07:20
○ 2026-04-23 12:59:30
● 2026-04-23 15:49:48

●A13.33.109.332026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-23 07:55:54
● 2026-04-23 11:16:02
○ 2026-04-23 12:07:20
○ 2026-04-23 12:59:30
● 2026-04-23 15:49:48

●A13.33.109.732026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-23 07:55:54
● 2026-04-23 11:16:02
○ 2026-04-23 12:07:20
○ 2026-04-23 12:59:30
● 2026-04-23 15:49:48

○A18.164.96.1042026-03-08 → 2026-04-11 · 14 obs

○ 2026-03-07 17:44:58
● 2026-03-08 11:40:36
○ 2026-03-09 03:22:00
○ 2026-03-20 02:52:04
● 2026-03-22 14:45:08
○ 2026-03-23 19:49:14
○ 2026-04-01 11:15:00
● 2026-04-05 12:13:54
● 2026-04-05 19:11:32
○ 2026-04-06 04:37:38
○ 2026-04-09 19:52:28
● 2026-04-11 18:00:20
○ 2026-04-12 13:56:58
○ 2026-04-23 15:49:48

○A18.164.96.212026-03-08 → 2026-04-11 · 14 obs

○A18.164.96.622026-03-08 → 2026-04-11 · 14 obs

○A18.164.96.792026-03-08 → 2026-04-11 · 14 obs

○A18.165.25.1162026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 04:37:38
● 2026-04-06 08:46:48
○ 2026-04-06 13:16:44
○ 2026-04-23 15:49:48

○A18.165.25.172026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 04:37:38
● 2026-04-06 08:46:48
○ 2026-04-06 13:16:44
○ 2026-04-23 15:49:48

○A18.165.25.412026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 04:37:38
● 2026-04-06 08:46:48
○ 2026-04-06 13:16:44
○ 2026-04-23 15:49:48

○A18.165.25.872026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-06 04:37:38
● 2026-04-06 08:46:48
○ 2026-04-06 13:16:44
○ 2026-04-23 15:49:48

○A18.239.236.1052026-02-16 → 2026-04-23 · 102 obs

○ 2026-02-16 13:41:20
● 2026-02-16 17:01:54
● 2026-02-16 22:16:06
○ 2026-02-17 08:46:48
● 2026-02-17 10:28:42
● 2026-02-18 15:57:50
○ 2026-02-19 12:25:20
○ 2026-02-23 05:46:22
● 2026-02-23 06:47:26
○ 2026-02-23 10:49:48
○ 2026-02-23 22:27:42
● 2026-02-24 00:13:26
○ 2026-02-24 06:04:50
○ 2026-02-25 05:42:00
● 2026-02-25 21:00:00
○ 2026-02-26 06:56:00
○ 2026-02-26 18:13:42
● 2026-02-27 23:51:18
○ 2026-02-28 04:35:24
○ 2026-02-28 15:09:08
● 2026-03-01 20:24:44
● 2026-03-02 22:44:46
○ 2026-03-03 07:30:48
○ 2026-03-03 13:22:26
● 2026-03-03 23:06:18
○ 2026-03-04 20:25:08
○ 2026-03-04 21:17:48
● 2026-03-05 14:05:22
○ 2026-03-06 01:51:36
● 2026-03-06 02:50:10
● 2026-03-06 12:03:54
○ 2026-03-07 00:41:18
○ 2026-03-07 09:54:10
● 2026-03-07 17:44:58
○ 2026-03-08 11:40:36
● 2026-03-09 03:22:00
● 2026-03-09 23:04:36
○ 2026-03-10 03:39:06
● 2026-03-10 06:35:06
○ 2026-03-12 21:51:40
● 2026-03-13 05:15:12
○ 2026-03-13 06:22:34
○ 2026-03-14 12:13:26
● 2026-03-14 15:01:10
● 2026-03-14 16:14:08
○ 2026-03-14 21:47:10
● 2026-03-15 02:19:12
○ 2026-03-15 03:49:02
○ 2026-03-17 00:00:56
● 2026-03-17 05:43:42
○ 2026-03-18 12:06:14
○ 2026-03-18 14:31:28
● 2026-03-18 21:14:52
● 2026-03-19 01:17:02
○ 2026-03-19 12:36:24
○ 2026-03-20 02:11:36
● 2026-03-20 02:52:04
○ 2026-03-22 14:45:08
● 2026-03-23 19:49:14
● 2026-03-24 19:31:04
○ 2026-03-24 22:28:06
● 2026-03-25 01:07:38
○ 2026-03-25 05:07:08
○ 2026-03-25 09:21:48
● 2026-03-26 10:55:36
● 2026-03-26 12:46:52
○ 2026-03-26 22:28:48
● 2026-03-27 00:30:28
● 2026-03-27 08:40:36
○ 2026-03-28 14:01:16
○ 2026-03-28 15:07:30
● 2026-03-28 16:45:54
● 2026-03-30 08:03:42
○ 2026-03-31 16:03:54
○ 2026-03-31 19:44:08
● 2026-03-31 22:48:20
● 2026-04-01 11:15:00
○ 2026-04-05 12:13:54
○ 2026-04-05 19:11:32
● 2026-04-06 04:37:38
○ 2026-04-06 08:46:48
● 2026-04-06 13:16:44
● 2026-04-09 19:52:28
○ 2026-04-11 18:00:20
○ 2026-04-13 18:23:08
● 2026-04-13 22:09:08
○ 2026-04-14 17:14:44
● 2026-04-14 21:23:36
○ 2026-04-15 01:56:42
○ 2026-04-19 02:58:12
● 2026-04-19 04:52:34
● 2026-04-19 13:12:30
○ 2026-04-19 18:02:26
● 2026-04-19 18:42:12
● 2026-04-21 22:57:48
○ 2026-04-22 14:07:28
● 2026-04-23 06:22:58
● 2026-04-23 07:55:54
○ 2026-04-23 11:16:02
● 2026-04-23 12:07:20
● 2026-04-23 12:59:30
○ 2026-04-23 15:49:48

○A18.239.236.1212026-02-16 → 2026-04-23 · 102 obs

○A18.239.236.552026-02-16 → 2026-04-23 · 102 obs

○A18.239.236.902026-02-16 → 2026-04-23 · 102 obs

○A3.164.68.1002026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 19:31:04
● 2026-03-24 22:28:06
○ 2026-03-25 01:07:38
○ 2026-04-23 15:49:48

○A3.164.68.252026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 19:31:04
● 2026-03-24 22:28:06
○ 2026-03-25 01:07:38
○ 2026-04-23 15:49:48

○A3.164.68.572026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 19:31:04
● 2026-03-24 22:28:06
○ 2026-03-25 01:07:38
○ 2026-04-23 15:49:48

○A3.164.68.732026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 19:31:04
● 2026-03-24 22:28:06
○ 2026-03-25 01:07:38
○ 2026-04-23 15:49:48

○A3.167.69.1212026-02-15 → 2026-04-18 · 58 obs

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

○A3.167.69.1262026-02-15 → 2026-04-18 · 58 obs

○A3.167.69.622026-02-15 → 2026-04-18 · 58 obs

○A3.167.69.842026-02-15 → 2026-04-18 · 58 obs

○A3.168.147.282026-02-16 → 2026-03-20 · 61 obs

○ 2026-02-15 17:09:02
● 2026-02-16 12:12:08
● 2026-02-16 13:41:20
○ 2026-02-16 17:01:54
○ 2026-02-16 22:16:06
● 2026-02-17 08:46:48
○ 2026-02-17 10:28:42
○ 2026-02-19 12:25:20
● 2026-02-19 23:29:28
○ 2026-02-20 09:15:58
○ 2026-02-22 16:00:24
● 2026-02-23 05:46:22
○ 2026-02-23 06:47:26
● 2026-02-23 10:49:48
○ 2026-02-23 16:37:02
● 2026-02-23 22:27:42
○ 2026-02-24 00:13:26
● 2026-02-24 06:04:50
○ 2026-02-24 18:27:28
○ 2026-02-25 03:50:34
● 2026-02-25 05:42:00
○ 2026-02-25 21:00:00
○ 2026-02-26 06:56:00
● 2026-02-26 08:11:34
○ 2026-02-26 18:13:42
○ 2026-02-28 04:35:24
● 2026-02-28 15:09:08
○ 2026-03-01 20:24:44
○ 2026-03-03 07:30:48
● 2026-03-03 11:45:44
● 2026-03-03 13:22:26
○ 2026-03-03 23:06:18
● 2026-03-04 20:25:08
○ 2026-03-04 21:17:48
○ 2026-03-05 14:05:22
● 2026-03-06 01:51:36
○ 2026-03-06 02:50:10
○ 2026-03-07 03:23:42
● 2026-03-07 05:02:02
● 2026-03-07 09:54:10
○ 2026-03-07 17:44:58
○ 2026-03-09 23:04:36
● 2026-03-10 03:39:06
○ 2026-03-10 06:35:06
○ 2026-03-13 05:15:12
● 2026-03-13 06:22:34
● 2026-03-14 12:13:26
○ 2026-03-14 15:01:10
○ 2026-03-14 16:14:08
● 2026-03-14 21:47:10
○ 2026-03-15 02:19:12
○ 2026-03-17 05:43:42
● 2026-03-18 12:06:14
● 2026-03-18 14:31:28
○ 2026-03-18 21:14:52
○ 2026-03-19 01:17:02
● 2026-03-19 12:36:24
○ 2026-03-19 14:23:08
● 2026-03-20 02:11:36
○ 2026-03-20 02:52:04
○ 2026-04-23 15:49:48

○A3.168.147.692026-02-16 → 2026-03-20 · 61 obs

○A3.168.147.792026-02-16 → 2026-03-20 · 61 obs

○A3.168.147.82026-02-16 → 2026-03-20 · 61 obs

○A3.171.171.292026-03-31 → 2026-04-19 · 8 obs

○ 2026-03-30 08:03:42
● 2026-03-31 16:03:54
● 2026-03-31 19:44:08
○ 2026-03-31 22:48:20
○ 2026-04-18 17:43:14
● 2026-04-19 02:58:12
○ 2026-04-19 04:52:34
○ 2026-04-23 15:49:48

○A3.171.171.462026-03-31 → 2026-04-19 · 8 obs

○ 2026-03-30 08:03:42
● 2026-03-31 16:03:54
● 2026-03-31 19:44:08
○ 2026-03-31 22:48:20
○ 2026-04-18 17:43:14
● 2026-04-19 02:58:12
○ 2026-04-19 04:52:34
○ 2026-04-23 15:49:48

○A3.171.171.502026-03-31 → 2026-04-19 · 8 obs

○ 2026-03-30 08:03:42
● 2026-03-31 16:03:54
● 2026-03-31 19:44:08
○ 2026-03-31 22:48:20
○ 2026-04-18 17:43:14
● 2026-04-19 02:58:12
○ 2026-04-19 04:52:34
○ 2026-04-23 15:49:48

○A3.171.171.942026-03-31 → 2026-04-19 · 8 obs

○ 2026-03-30 08:03:42
● 2026-03-31 16:03:54
● 2026-03-31 19:44:08
○ 2026-03-31 22:48:20
○ 2026-04-18 17:43:14
● 2026-04-19 02:58:12
○ 2026-04-19 04:52:34
○ 2026-04-23 15:49:48

○A52.85.47.322026-04-22 → 2026-04-22 · 4 obs

○ 2026-04-21 22:57:48
● 2026-04-22 14:07:28
○ 2026-04-23 06:22:58
○ 2026-04-23 15:49:48

○A52.85.47.782026-04-22 → 2026-04-22 · 4 obs

○ 2026-04-21 22:57:48
● 2026-04-22 14:07:28
○ 2026-04-23 06:22:58
○ 2026-04-23 15:49:48

○A52.85.47.792026-04-22 → 2026-04-22 · 4 obs

○ 2026-04-21 22:57:48
● 2026-04-22 14:07:28
○ 2026-04-23 06:22:58
○ 2026-04-23 15:49:48

○A52.85.47.812026-04-22 → 2026-04-22 · 4 obs

○ 2026-04-21 22:57:48
● 2026-04-22 14:07:28
○ 2026-04-23 06:22:58
○ 2026-04-23 15:49:48

○A52.85.78.1112026-03-28 → 2026-04-19 · 17 obs

○ 2026-03-27 08:40:36
● 2026-03-28 14:01:16
● 2026-03-28 15:07:30
○ 2026-03-28 16:45:54
○ 2026-04-11 18:00:20
● 2026-04-12 13:56:58
○ 2026-04-13 08:06:00
○ 2026-04-13 22:09:08
● 2026-04-14 17:14:44
○ 2026-04-14 21:23:36
● 2026-04-15 01:56:42
● 2026-04-15 20:09:38
○ 2026-04-17 23:32:26
○ 2026-04-19 13:12:30
● 2026-04-19 18:02:26
○ 2026-04-19 18:42:12
○ 2026-04-23 15:49:48

○A52.85.78.1132026-03-28 → 2026-04-19 · 17 obs

○A52.85.78.682026-03-28 → 2026-04-19 · 17 obs

○A52.85.78.842026-03-28 → 2026-04-19 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
simplekey.kr	cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com, cns1.hostcocoa.com	-

✅ Authoritative Response

Server:205.251.193.7

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplekey.kr (unsigned zone)

⏱️ Timing

Total: 1051ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.73, 13.33.109.122...`
NS	4	`cns1.hostcocoa.com, cns2.hostcocoa.com...`
MX	1	`smtp.google.com (pri: 1)`
SOA	1	`cns1.hostcocoa.com awsdns-hostmaster.ama`

Analysis

IP Addresses

Four IP numbers are pointed to by simplekey.kr: 13.33.109.33, 13.33.109.73, 13.33.109.114 and 13.33.109.122.

Name Servers

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

simplekey.kr at least partially shares name servers with other domains, for instance branuco.com, sengbit.com, sseye.co.kr, baorshop.com and fuzzyroom.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.

Mail Servers

simplekey.kr is handled by a single mail server, smtp.google.com.

simplekey.kr shares the same mail server setup as other domains, for instance havefun.com, flex.bi, 2dolife.com, crowdfunder.it and ca-n.in.

simplekey.kr shares some mail servers with other domains, at least partially, for instance sinergodata.com, aboutbountyhunting.com, oron.com, justintravis.com and blzco.com.

these mail servers are often used together with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.

smtp.google.com points to nine IPs: 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 2607:f8b0:4023:c0d::1a, 142.250.101.27, 142.250.141.26, 142.250.141.27, 142.251.2.26 and 142.251.2.27.

simplekey.kr - robtex.com

simplekey.kr

kr

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`simplekey.kr`

`kr`