mathnote.co.kr - dns.ninja

`mathnote.co.kr`

DNSSEC	⚠️ Not signed
A	13.226.209.45^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
		PTR	`server-13-226-209-45.iad61.r.cloudfront.net`
A	13.226.209.87^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.92^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.101^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
NS	`ns-1293.awsdns-33.org` ⭐
		A	2600:9000:5305:d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1293.awsdns-33.org`
		A	205.251.197.13^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1293.awsdns-33.org`
NS	`ns-1997.awsdns-57.co.uk`
		A	2600:9000:5307:cd00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1997.awsdns-57.co.uk`
		A	205.251.199.205^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1997.awsdns-57.co.uk`
NS	`ns-39.awsdns-04.com`
		A	2600:9000:5300:2700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-39.awsdns-04.com`
		A	205.251.192.39^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-39.awsdns-04.com`
NS	`ns-710.awsdns-24.net`
		A	2600:9000:5302:c600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-710.awsdns-24.net`
		A	205.251.194.198^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-710.awsdns-24.net`
SOA	`ns-1293.awsdns-33.org`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=2608070504

WOT: UNKNOWN (62/100)

Subdomains

www.mathnote.co.kr

Same first word

mathnote.info

mathnote.co.kr

Similar names

DNS History

94 records (8 active, 86 former)

●NSns-1293.awsdns-33.org2026-02-15 → 2026-08-06 · 3 obs

○ 2018-05-14 23:52:34
● 2026-02-15 19:04:16
● 2026-08-06 20:48:50

●NSns-1997.awsdns-57.co.uk2026-02-15 → 2026-08-06 · 3 obs

○ 2018-05-14 23:52:34
● 2026-02-15 19:04:16
● 2026-08-06 20:48:50

●NSns-39.awsdns-04.com2026-02-15 → 2026-08-06 · 3 obs

○ 2018-05-14 23:52:34
● 2026-02-15 19:04:16
● 2026-08-06 20:48:50

●NSns-710.awsdns-24.net2026-02-15 → 2026-08-06 · 3 obs

○ 2018-05-14 23:52:34
● 2026-02-15 19:04:16
● 2026-08-06 20:48:50

○NSns1.makeshop.com2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 23:52:34
○ 2026-02-15 19:04:16
○ 2026-08-06 20:48:50

○NSns1.makeshop.kr2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 23:52:34
○ 2026-02-15 19:04:16
○ 2026-08-06 20:48:50

○NSns2.makeshop.com2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 23:52:34
○ 2026-02-15 19:04:16
○ 2026-08-06 20:48:50

○NSns2.makeshop.kr2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 23:52:34
○ 2026-02-15 19:04:16
○ 2026-08-06 20:48:50

○MXmail.mathnote.co.kr2018-05-14 → 2026-02-17 · 4 obs

● 2018-05-14 23:52:34
● 2026-02-17 01:04:20
○ 2026-02-18 19:59:34
○ 2026-08-06 20:48:50

○A121.78.48.202018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 23:52:34
○ 2026-02-15 19:04:16
○ 2026-08-06 20:48:50

○A13.224.125.142026-03-28 → 2026-08-06 · 60 obs

○ 2026-03-25 11:24:12
● 2026-03-28 13:17:32
● 2026-03-28 15:38:16
○ 2026-03-28 17:18:42
○ 2026-06-18 00:34:10
● 2026-06-21 16:17:08
○ 2026-06-21 16:49:36
● 2026-06-30 22:45:30
● 2026-07-02 18:42:36
○ 2026-07-05 10:29:46
● 2026-07-07 09:21:28
○ 2026-07-08 22:00:04
○ 2026-07-26 09:11:36
● 2026-07-27 19:18:12
○ 2026-07-28 00:05:18
● 2026-07-28 02:18:24
○ 2026-07-28 06:05:56
● 2026-07-30 17:44:34
○ 2026-07-30 19:22:48
● 2026-07-30 19:57:54
○ 2026-07-31 03:45:48
● 2026-07-31 05:08:24
○ 2026-07-31 06:08:50
● 2026-07-31 07:49:42
○ 2026-07-31 08:25:18
● 2026-07-31 12:47:20
○ 2026-07-31 20:00:40
● 2026-07-31 22:50:52
○ 2026-08-02 07:43:58
● 2026-08-02 11:01:26
○ 2026-08-02 16:23:26
● 2026-08-02 19:28:50
○ 2026-08-02 21:01:40
● 2026-08-03 00:38:02
○ 2026-08-03 04:30:56
● 2026-08-03 14:29:00
○ 2026-08-04 00:53:04
● 2026-08-04 02:35:56
○ 2026-08-04 06:23:34
● 2026-08-04 14:10:14
○ 2026-08-04 20:17:14
● 2026-08-04 23:07:44
○ 2026-08-05 00:24:38
● 2026-08-05 00:58:38
○ 2026-08-05 09:23:30
● 2026-08-05 10:20:00
○ 2026-08-05 12:24:42
● 2026-08-05 12:57:50
○ 2026-08-05 18:19:40
● 2026-08-05 19:11:32
○ 2026-08-06 00:21:32
● 2026-08-06 02:51:54
○ 2026-08-06 04:11:12
● 2026-08-06 05:52:48
○ 2026-08-06 10:38:38
● 2026-08-06 12:16:18
○ 2026-08-06 13:22:02
● 2026-08-06 14:42:58
○ 2026-08-06 20:48:46
○ 2026-08-06 20:48:50

○A13.224.125.632026-03-28 → 2026-08-06 · 60 obs

○A13.224.125.652026-03-28 → 2026-08-06 · 60 obs

○A13.224.125.752026-03-28 → 2026-08-06 · 60 obs

●A13.226.209.1012026-03-03 → 2026-08-06 · 39 obs

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

●A13.226.209.452026-03-03 → 2026-08-06 · 39 obs

●A13.226.209.872026-03-03 → 2026-08-06 · 39 obs

●A13.226.209.922026-03-03 → 2026-08-06 · 39 obs

○A13.227.231.1232026-07-25 → 2026-07-28 · 14 obs

○ 2026-07-25 05:41:38
● 2026-07-25 11:50:56
○ 2026-07-25 17:17:56
● 2026-07-26 15:36:22
○ 2026-07-26 19:01:34
● 2026-07-27 00:42:18
○ 2026-07-27 05:59:30
● 2026-07-27 06:35:56
○ 2026-07-27 08:15:02
● 2026-07-28 00:05:18
○ 2026-07-28 02:18:24
● 2026-07-28 16:58:22
○ 2026-07-28 18:20:54
○ 2026-08-06 20:48:50

○A13.227.231.562026-07-25 → 2026-07-28 · 14 obs

○A13.227.231.822026-07-25 → 2026-07-28 · 14 obs

○A13.227.231.942026-07-25 → 2026-07-28 · 14 obs

○A13.33.235.302026-03-24 → 2026-07-20 · 18 obs

○ 2026-03-20 15:28:04
● 2026-03-24 13:11:52
● 2026-03-24 14:50:22
○ 2026-03-24 17:42:30
● 2026-03-24 20:24:12
○ 2026-03-24 22:02:44
○ 2026-06-03 00:13:14
● 2026-07-11 07:20:06
○ 2026-07-11 16:15:42
○ 2026-07-15 16:14:56
● 2026-07-16 14:33:36
○ 2026-07-17 09:34:24
● 2026-07-18 19:03:00
● 2026-07-19 22:07:42
○ 2026-07-19 23:28:38
● 2026-07-20 14:21:46
○ 2026-07-20 15:04:22
○ 2026-08-06 20:48:50

○A13.33.235.422026-03-24 → 2026-07-20 · 18 obs

○A13.33.235.52026-03-24 → 2026-07-20 · 18 obs

○A13.33.235.792026-03-24 → 2026-07-20 · 18 obs

○A13.33.67.222026-03-07 → 2026-05-26 · 17 obs

○ 2026-03-06 03:16:44
● 2026-03-07 19:08:30
● 2026-03-08 09:30:42
○ 2026-03-08 18:08:36
○ 2026-03-29 07:38:48
● 2026-03-29 12:56:10
○ 2026-03-29 18:04:08
○ 2026-05-19 14:42:58
● 2026-05-19 20:21:00
○ 2026-05-20 01:24:22
○ 2026-05-20 09:32:36
● 2026-05-20 17:28:34
○ 2026-05-20 21:15:22
○ 2026-05-26 16:07:36
● 2026-05-26 18:30:14
○ 2026-05-26 19:51:52
○ 2026-08-06 20:48:50

○A13.33.67.472026-03-07 → 2026-05-26 · 17 obs

○A13.33.67.492026-03-07 → 2026-05-26 · 17 obs

○A13.33.67.962026-03-07 → 2026-05-26 · 17 obs

○A13.33.82.1162026-04-21 → 2026-08-02 · 22 obs

○ 2026-04-19 12:50:30
● 2026-04-21 12:34:54
● 2026-04-21 22:45:10
○ 2026-04-22 03:12:12
○ 2026-04-25 01:34:26
● 2026-04-25 12:49:38
● 2026-04-26 00:28:14
○ 2026-04-26 07:48:06
○ 2026-04-30 21:19:02
● 2026-05-01 04:07:26
○ 2026-05-01 11:38:16
○ 2026-05-04 09:40:24
● 2026-05-04 19:24:28
○ 2026-05-05 05:23:50
○ 2026-05-09 11:40:18
● 2026-05-09 12:52:10
○ 2026-05-09 15:35:52
● 2026-08-02 16:23:26
○ 2026-08-02 19:28:50
● 2026-08-02 21:01:40
○ 2026-08-03 00:07:08
○ 2026-08-06 20:48:50

○A13.33.82.32026-04-21 → 2026-08-02 · 22 obs

○A13.33.82.522026-04-21 → 2026-08-02 · 22 obs

○A13.33.82.92026-04-21 → 2026-08-02 · 22 obs

○A13.35.107.322026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 11:33:46
● 2026-07-14 13:11:54
○ 2026-07-14 13:47:48
○ 2026-08-06 20:48:50

○A13.35.107.762026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 11:33:46
● 2026-07-14 13:11:54
○ 2026-07-14 13:47:48
○ 2026-08-06 20:48:50

○A13.35.107.892026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 11:33:46
● 2026-07-14 13:11:54
○ 2026-07-14 13:47:48
○ 2026-08-06 20:48:50

○A13.35.107.912026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 11:33:46
● 2026-07-14 13:11:54
○ 2026-07-14 13:47:48
○ 2026-08-06 20:48:50

○A13.35.20.52026-05-30 → 2026-06-04 · 15 obs

○ 2026-05-29 06:25:36
● 2026-05-30 13:46:10
● 2026-05-30 14:17:32
○ 2026-05-30 19:49:26
○ 2026-06-02 02:13:10
● 2026-06-02 03:43:52
○ 2026-06-02 11:27:42
○ 2026-06-03 18:25:04
● 2026-06-03 19:26:16
● 2026-06-03 19:59:02
○ 2026-06-03 20:55:56
○ 2026-06-04 19:26:22
● 2026-06-04 20:38:42
○ 2026-06-04 21:54:10
○ 2026-08-06 20:48:50

○A13.35.20.502026-05-30 → 2026-06-04 · 15 obs

○A13.35.20.682026-05-30 → 2026-06-04 · 15 obs

○A13.35.20.972026-05-30 → 2026-06-04 · 15 obs

○A18.154.84.1052026-02-15 → 2026-07-14 · 19 obs

○ 2026-02-15 19:04:16
● 2026-02-15 23:47:08
● 2026-03-01 03:04:34
○ 2026-03-03 02:09:22
○ 2026-03-05 00:44:42
● 2026-03-06 03:16:44
● 2026-03-20 15:28:04
○ 2026-03-24 13:11:52
○ 2026-04-07 08:54:28
● 2026-04-07 16:22:56
● 2026-04-25 01:34:26
○ 2026-04-25 12:49:38
○ 2026-06-12 07:15:28
● 2026-06-19 18:11:38
● 2026-06-30 20:58:48
○ 2026-06-30 22:45:30
● 2026-07-14 08:45:38
○ 2026-07-14 11:33:46
○ 2026-08-06 20:48:50

○A18.154.84.1142026-02-15 → 2026-07-14 · 19 obs

○A18.154.84.702026-02-15 → 2026-07-14 · 19 obs

○A18.154.84.992026-02-15 → 2026-07-14 · 19 obs

○A18.160.46.1112026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 19:36:16
● 2026-04-19 05:14:04
○ 2026-04-19 12:50:30
○ 2026-08-06 20:48:50

○A18.160.46.1192026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 19:36:16
● 2026-04-19 05:14:04
○ 2026-04-19 12:50:30
○ 2026-08-06 20:48:50

○A18.160.46.622026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 19:36:16
● 2026-04-19 05:14:04
○ 2026-04-19 12:50:30
○ 2026-08-06 20:48:50

○A18.160.46.952026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 19:36:16
● 2026-04-19 05:14:04
○ 2026-04-19 12:50:30
○ 2026-08-06 20:48:50

○A18.161.21.222026-05-12 → 2026-05-26 · 18 obs

○ 2026-05-11 15:07:44
● 2026-05-12 13:09:44
● 2026-05-12 16:05:16
○ 2026-05-12 20:15:48
○ 2026-05-17 00:21:24
● 2026-05-17 04:50:08
● 2026-05-17 13:12:22
○ 2026-05-18 08:02:20
○ 2026-05-20 03:18:38
● 2026-05-20 09:32:36
○ 2026-05-20 17:28:34
○ 2026-05-25 04:45:00
● 2026-05-25 12:31:16
○ 2026-05-25 14:39:30
○ 2026-05-26 07:34:04
● 2026-05-26 10:43:44
○ 2026-05-26 12:09:10
○ 2026-08-06 20:48:50

○A18.161.21.232026-05-12 → 2026-05-26 · 18 obs

○A18.161.21.932026-05-12 → 2026-05-26 · 18 obs

○A18.161.21.972026-05-12 → 2026-05-26 · 18 obs

○A18.238.4.1082026-04-15 → 2026-07-31 · 26 obs

○ 2026-04-12 13:31:44
● 2026-04-15 00:21:12
○ 2026-04-15 02:10:04
○ 2026-05-11 10:15:38
● 2026-05-11 13:54:56
○ 2026-05-11 15:07:44
● 2026-07-12 17:24:06
○ 2026-07-14 18:23:44
● 2026-07-15 22:16:40
● 2026-07-18 00:24:26
○ 2026-07-19 13:11:02
○ 2026-07-23 10:52:56
● 2026-07-25 18:03:30
○ 2026-07-26 06:53:58
○ 2026-07-28 06:57:06
● 2026-07-28 18:20:54
○ 2026-07-28 20:46:44
● 2026-07-28 22:12:58
○ 2026-07-29 02:13:34
● 2026-07-30 00:44:56
○ 2026-07-30 06:17:50
● 2026-07-30 06:59:52
○ 2026-07-30 09:32:32
● 2026-07-31 06:08:50
○ 2026-07-31 07:49:42
○ 2026-08-06 20:48:50

○A18.238.4.222026-04-15 → 2026-07-31 · 26 obs

○A18.238.4.242026-04-15 → 2026-07-31 · 26 obs

○A18.238.4.782026-04-15 → 2026-07-31 · 26 obs

○A3.161.188.1102026-03-30 → 2026-07-20 · 6 obs

○ 2026-03-29 18:04:08
● 2026-03-30 08:56:30
○ 2026-03-30 12:09:32
● 2026-07-20 09:10:18
○ 2026-07-20 12:37:02
○ 2026-08-06 20:48:50

○A3.161.188.1252026-03-30 → 2026-07-20 · 6 obs

○ 2026-03-29 18:04:08
● 2026-03-30 08:56:30
○ 2026-03-30 12:09:32
● 2026-07-20 09:10:18
○ 2026-07-20 12:37:02
○ 2026-08-06 20:48:50

○A3.161.188.942026-03-30 → 2026-07-20 · 6 obs

○ 2026-03-29 18:04:08
● 2026-03-30 08:56:30
○ 2026-03-30 12:09:32
● 2026-07-20 09:10:18
○ 2026-07-20 12:37:02
○ 2026-08-06 20:48:50

○A3.161.188.992026-03-30 → 2026-07-20 · 6 obs

○ 2026-03-29 18:04:08
● 2026-03-30 08:56:30
○ 2026-03-30 12:09:32
● 2026-07-20 09:10:18
○ 2026-07-20 12:37:02
○ 2026-08-06 20:48:50

○A3.162.163.262026-05-20 → 2026-07-02 · 19 obs

○ 2026-05-19 20:21:00
● 2026-05-20 01:24:22
● 2026-05-20 03:18:38
○ 2026-05-20 09:32:36
○ 2026-05-20 17:28:34
● 2026-05-20 21:15:22
● 2026-05-29 06:25:36
○ 2026-05-30 14:17:32
○ 2026-06-02 21:04:44
● 2026-06-03 13:59:00
● 2026-06-06 17:13:10
○ 2026-06-07 11:59:14
○ 2026-06-08 08:30:12
● 2026-06-30 08:17:50
● 2026-07-01 22:35:42
○ 2026-07-01 23:49:34
● 2026-07-02 10:13:32
○ 2026-07-02 18:42:36
○ 2026-08-06 20:48:50

○A3.162.163.522026-05-20 → 2026-07-02 · 19 obs

○A3.162.163.612026-05-20 → 2026-07-02 · 19 obs

○A3.162.163.802026-05-20 → 2026-07-02 · 19 obs

○A3.162.3.1142026-04-06 → 2026-04-16 · 10 obs

○ 2026-04-05 21:11:54
● 2026-04-06 04:09:46
○ 2026-04-06 10:40:22
○ 2026-04-12 10:03:52
● 2026-04-12 12:39:04
○ 2026-04-12 13:31:44
○ 2026-04-15 21:45:08
● 2026-04-16 01:48:40
○ 2026-04-16 19:36:16
○ 2026-08-06 20:48:50

○A3.162.3.1152026-04-06 → 2026-04-16 · 10 obs

○A3.162.3.482026-04-06 → 2026-04-16 · 10 obs

○A3.162.3.562026-04-06 → 2026-04-16 · 10 obs

○A3.165.181.202026-03-28 → 2026-08-03 · 30 obs

○ 2026-03-28 15:38:16
● 2026-03-28 17:18:42
● 2026-03-28 18:01:54
○ 2026-03-28 21:19:34
○ 2026-04-03 02:12:34
● 2026-04-05 03:54:44
○ 2026-04-05 21:11:54
○ 2026-06-19 06:49:00
● 2026-06-21 00:18:08
● 2026-06-25 13:22:20
○ 2026-06-25 21:44:02
○ 2026-07-02 10:13:32
● 2026-07-26 19:01:34
● 2026-07-28 08:23:20
○ 2026-07-28 16:58:22
● 2026-07-28 20:46:44
○ 2026-07-28 22:12:58
● 2026-07-29 02:13:34
○ 2026-07-29 06:32:22
● 2026-07-29 07:17:54
○ 2026-07-30 00:44:56
● 2026-07-30 06:17:50
○ 2026-07-30 06:59:52
● 2026-07-30 09:32:32
○ 2026-07-30 13:27:52
● 2026-07-30 15:30:24
○ 2026-07-30 17:44:34
● 2026-08-03 06:07:34
○ 2026-08-03 09:23:52
○ 2026-08-06 20:48:50

○A3.165.181.322026-03-28 → 2026-08-03 · 30 obs

○A3.165.181.682026-03-28 → 2026-08-03 · 30 obs

○A3.165.181.812026-03-28 → 2026-08-03 · 30 obs

○A3.166.160.152026-04-26 → 2026-05-26 · 18 obs

○ 2026-04-26 07:48:06
● 2026-04-26 21:48:56
○ 2026-04-26 22:37:22
● 2026-04-27 05:16:32
● 2026-04-27 08:02:14
○ 2026-04-28 04:37:48
● 2026-04-28 14:35:24
● 2026-04-30 01:28:40
○ 2026-04-30 07:21:34
○ 2026-05-09 20:49:48
● 2026-05-10 04:07:16
● 2026-05-11 02:58:28
○ 2026-05-11 06:04:30
○ 2026-05-25 20:11:28
● 2026-05-26 01:45:24
● 2026-05-26 07:34:04
○ 2026-05-26 10:43:44
○ 2026-08-06 20:48:50

○A3.166.160.832026-04-26 → 2026-05-26 · 18 obs

○A3.166.160.842026-04-26 → 2026-05-26 · 18 obs

○A3.166.160.992026-04-26 → 2026-05-26 · 18 obs

○A3.167.212.1062026-02-15 → 2026-08-06 · 47 obs

○ 2018-05-14 23:52:34
● 2026-02-15 19:04:16
○ 2026-02-15 23:47:08
○ 2026-03-03 02:09:22
● 2026-03-03 11:50:00
○ 2026-03-03 13:37:28
○ 2026-03-25 11:24:12
● 2026-07-03 01:39:38
● 2026-07-05 10:29:46
○ 2026-07-07 09:21:28
○ 2026-07-13 03:24:44
● 2026-07-17 03:52:48
○ 2026-07-18 04:36:22
● 2026-07-21 06:29:10
● 2026-07-25 00:01:30
○ 2026-07-25 05:41:38
● 2026-07-28 06:57:06
○ 2026-07-28 08:23:20
● 2026-07-29 06:32:22
○ 2026-07-29 07:17:54
● 2026-07-30 13:27:52
○ 2026-07-30 15:30:24
● 2026-07-30 19:22:48
○ 2026-07-30 19:57:54
● 2026-07-31 03:45:48
○ 2026-07-31 05:08:24
● 2026-07-31 08:25:18
○ 2026-07-31 12:47:20
● 2026-07-31 20:00:40
○ 2026-07-31 22:50:52
● 2026-08-02 07:43:58
○ 2026-08-02 11:01:26
● 2026-08-03 13:06:20
○ 2026-08-03 14:29:00
● 2026-08-04 01:38:18
○ 2026-08-04 02:35:56
● 2026-08-04 06:23:34
○ 2026-08-04 10:25:36
● 2026-08-04 20:17:14
○ 2026-08-04 23:07:44
● 2026-08-05 09:23:30
○ 2026-08-05 10:20:00
● 2026-08-06 04:11:12
○ 2026-08-06 05:52:48
● 2026-08-06 13:22:02
○ 2026-08-06 14:42:58
○ 2026-08-06 20:48:50

○A3.167.212.1072026-02-15 → 2026-08-06 · 47 obs

○A3.167.212.362026-02-15 → 2026-08-06 · 47 obs

○A3.167.212.902026-02-15 → 2026-08-06 · 47 obs

○A3.170.229.1192026-05-28 → 2026-06-02 · 14 obs

○ 2026-05-26 19:51:52
● 2026-05-28 02:45:22
○ 2026-05-28 09:34:34
○ 2026-05-28 21:10:56
● 2026-05-28 22:04:34
● 2026-05-29 05:40:54
○ 2026-05-29 06:25:36
○ 2026-05-31 01:37:08
● 2026-05-31 07:49:28
○ 2026-05-31 10:38:34
○ 2026-06-02 01:09:50
● 2026-06-02 02:13:10
○ 2026-06-02 03:43:52
○ 2026-08-06 20:48:50

○A3.170.229.1282026-05-28 → 2026-06-02 · 14 obs

○A3.170.229.172026-05-28 → 2026-06-02 · 14 obs

○A3.170.229.52026-05-28 → 2026-06-02 · 14 obs

○A52.85.47.1272026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-30 12:09:32
● 2026-03-31 02:09:30
○ 2026-03-31 03:49:26
○ 2026-08-06 20:48:50

○A52.85.47.332026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-30 12:09:32
● 2026-03-31 02:09:30
○ 2026-03-31 03:49:26
○ 2026-08-06 20:48:50

○A52.85.47.542026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-30 12:09:32
● 2026-03-31 02:09:30
○ 2026-03-31 03:49:26
○ 2026-08-06 20:48:50

○A52.85.47.82026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-30 12:09:32
● 2026-03-31 02:09:30
○ 2026-03-31 03:49:26
○ 2026-08-06 20:48:50

○A99.84.41.202026-07-22 → 2026-07-22 · 4 obs

○ 2026-07-21 06:29:10
● 2026-07-22 10:53:12
○ 2026-07-22 15:59:12
○ 2026-08-06 20:48:50

○A99.84.41.692026-07-22 → 2026-07-22 · 4 obs

○ 2026-07-21 06:29:10
● 2026-07-22 10:53:12
○ 2026-07-22 15:59:12
○ 2026-08-06 20:48:50

○A99.84.41.712026-07-22 → 2026-07-22 · 4 obs

○ 2026-07-21 06:29:10
● 2026-07-22 10:53:12
○ 2026-07-22 15:59:12
○ 2026-08-06 20:48:50

○A99.84.41.972026-07-22 → 2026-07-22 · 4 obs

○ 2026-07-21 06:29:10
● 2026-07-22 10:53:12
○ 2026-07-22 15:59:12
○ 2026-08-06 20:48:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	e.dns.kr, f.dns.kr, b.dns.kr, d.dns.kr...	-
mathnote.co.kr	ns-1293.awsdns-33.org, ns-1997.awsdns-57.co.uk, ns-39.awsdns-04.com, ns-710.awsdns-24.net	-

✅ Authoritative Response

Server:205.251.199.205

NS records: ns-1293.awsdns-33.org, ns-1997.awsdns-57.co.uk, ns-39.awsdns-04.com, ns-710.awsdns-24.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.209.101, 13.226.209.87...`
NS	4	`ns-1293.awsdns-33.org, ns-1997.awsdns-57.co.uk...`
SOA	1	`ns-1293.awsdns-33.org awsdns-hostmaster.`

Analysis

Hierarchy

mathnote.co.kr is the parent zone for www.mathnote.co.kr.

IP Addresses

mathnote.co.kr resolves to four IP addresses: 13.226.209.45, 13.226.209.87, 13.226.209.92 and 13.226.209.101.

d1ldfmu2ro9spt.cloudfront.net, customercaremanager.it, doskatv.co.il plus two other host names have IP numbers in common with mathnote.co.kr.

Name Servers

Four name servers handle the delegation for mathnote.co.kr: ns-39.awsdns-04.com, ns-710.awsdns-24.net, ns-1293.awsdns-33.org and ns-1997.awsdns-57.co.uk.

mathnote.co.kr partially shares its NS delegation with several other domains, including cartoonnetworkfrance.com, 1555bet12.com, are-tec.com and two others.

ns-39.awsdns-04.com, ns-710.awsdns-24.net, ns-1293.awsdns-33.org and ns-1997.awsdns-57.co.uk each carry two IP addresses. ns-39.awsdns-04.com has 205.251.192.39 and 2600:9000:5300:2700::1; ns-710.awsdns-24.net has 205.251.194.198 and 2600:9000:5302:c600::1; ns-1293.awsdns-33.org has 205.251.197.13 and 2600:9000:5305:d00::1; ns-1997.awsdns-57.co.uk has 205.251.199.205 and 2600:9000:5307:cd00::1.