classmethod.kr - dns.ninja

`classmethod.kr`

DNSSEC	⚠️ Not signed
A	3.174.59.24^{🇺🇸 Amazon3.174.58.0/23}
		PTR	`server-3-174-59-24.gig52.r.cloudfront.net`
A	3.174.59.50^{🇺🇸 Amazon3.174.58.0/23}
A	3.174.59.59^{🇺🇸 Amazon3.174.58.0/23}
A	3.174.59.78^{🇺🇸 Amazon3.174.58.0/23}
NS	`ns-464.awsdns-58.com` ⭐
		A	2600:9000:5301:d000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-464.awsdns-58.com`
		A	205.251.193.208^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-464.awsdns-58.com`
NS	`ns-1443.awsdns-52.org`
		A	2600:9000:5305:a300::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1443.awsdns-52.org`
		A	205.251.197.163^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1443.awsdns-52.org`
NS	`ns-1939.awsdns-50.co.uk`
		A	2600:9000:5307:9300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1939.awsdns-50.co.uk`
		A	205.251.199.147^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1939.awsdns-50.co.uk`
NS	`ns-585.awsdns-09.net`
		A	2600:9000:5302:4900::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-585.awsdns-09.net`
		A	205.251.194.73^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-585.awsdns-09.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=uZVYIr75nroaE4oQ_SYvLDOBfLlbpEvr3ccH7vNV9hw`
TXT	`v=spf1 include:_spf.google.com include:mail.stibee.com include:_spf.activegat...`
SOA	`ns-464.awsdns-58.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=2607270510

Same first word

classmethod.jp

classmethod.net

classmethod.de

classmethod.info

classmethod.co.uk

classmethod.com

classmethod.awsapps.com

classmethod.kr

DNS History

113 records (13 active, 100 former)

●NSns-1443.awsdns-52.org2026-03-09 → 2026-07-26 · 2 obs

● 2026-03-09 10:29:28
● 2026-07-26 21:57:52

●NSns-1939.awsdns-50.co.uk2026-03-09 → 2026-07-26 · 2 obs

● 2026-03-09 10:29:28
● 2026-07-26 21:57:52

●NSns-464.awsdns-58.com2026-03-09 → 2026-07-26 · 2 obs

● 2026-03-09 10:29:28
● 2026-07-26 21:57:52

●NSns-585.awsdns-09.net2026-03-09 → 2026-07-26 · 2 obs

● 2026-03-09 10:29:28
● 2026-07-26 21:57:52

●MXalt1.aspmx.l.google.com2026-03-09 → 2026-07-26 · 11 obs

● 2026-03-09 10:29:28
● 2026-06-07 12:03:24
○ 2026-06-07 16:29:08
● 2026-06-07 18:07:00
● 2026-06-08 10:18:16
○ 2026-06-08 11:28:28
● 2026-06-08 12:39:22
● 2026-06-15 04:57:58
○ 2026-06-15 06:07:40
● 2026-06-15 07:17:00
● 2026-07-26 21:57:52

●MXalt2.aspmx.l.google.com2026-03-09 → 2026-07-26 · 11 obs

●MXalt3.aspmx.l.google.com2026-03-09 → 2026-07-26 · 11 obs

●MXalt4.aspmx.l.google.com2026-03-09 → 2026-07-26 · 11 obs

●MXaspmx.l.google.com2026-03-09 → 2026-07-26 · 11 obs

○A108.139.95.1052026-04-08 → 2026-06-07 · 18 obs

○ 2026-04-08 01:50:46
● 2026-04-08 02:55:04
● 2026-04-08 19:04:28
○ 2026-04-08 19:37:04
○ 2026-04-09 03:12:50
● 2026-04-09 17:02:06
● 2026-04-10 17:01:08
○ 2026-04-11 01:23:06
○ 2026-04-13 01:27:06
● 2026-04-14 00:29:28
○ 2026-04-14 14:37:40
● 2026-04-15 07:29:34
● 2026-04-16 09:43:14
○ 2026-04-16 23:09:24
○ 2026-06-07 22:22:58
● 2026-06-07 23:31:46
○ 2026-06-08 00:43:20
○ 2026-07-26 21:57:52

○A108.139.95.372026-04-08 → 2026-06-07 · 18 obs

○A108.139.95.62026-04-08 → 2026-06-07 · 18 obs

○A108.139.95.682026-04-08 → 2026-06-07 · 18 obs

○A13.227.231.272026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 12:07:20
● 2026-07-25 13:11:26
○ 2026-07-25 14:02:16
● 2026-07-25 21:29:00
○ 2026-07-26 01:21:38
● 2026-07-26 10:44:56
○ 2026-07-26 13:54:00
○ 2026-07-26 21:57:52

○A13.227.231.492026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 12:07:20
● 2026-07-25 13:11:26
○ 2026-07-25 14:02:16
● 2026-07-25 21:29:00
○ 2026-07-26 01:21:38
● 2026-07-26 10:44:56
○ 2026-07-26 13:54:00
○ 2026-07-26 21:57:52

○A13.227.231.772026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 12:07:20
● 2026-07-25 13:11:26
○ 2026-07-25 14:02:16
● 2026-07-25 21:29:00
○ 2026-07-26 01:21:38
● 2026-07-26 10:44:56
○ 2026-07-26 13:54:00
○ 2026-07-26 21:57:52

○A13.227.231.842026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 12:07:20
● 2026-07-25 13:11:26
○ 2026-07-25 14:02:16
● 2026-07-25 21:29:00
○ 2026-07-26 01:21:38
● 2026-07-26 10:44:56
○ 2026-07-26 13:54:00
○ 2026-07-26 21:57:52

○A13.249.182.1172026-07-01 → 2026-07-24 · 18 obs

○ 2026-07-01 04:26:12
● 2026-07-01 05:32:42
○ 2026-07-01 07:00:42
● 2026-07-03 01:53:26
○ 2026-07-03 02:36:46
○ 2026-07-05 05:59:00
● 2026-07-07 13:20:20
○ 2026-07-07 18:47:10
○ 2026-07-12 00:44:50
● 2026-07-17 21:20:30
● 2026-07-21 02:34:46
○ 2026-07-21 23:38:28
● 2026-07-23 08:19:12
● 2026-07-24 12:24:20
○ 2026-07-24 13:36:22
● 2026-07-24 18:05:26
○ 2026-07-25 08:54:54
○ 2026-07-26 21:57:52

○A13.249.182.342026-07-01 → 2026-07-24 · 18 obs

○A13.249.182.42026-07-01 → 2026-07-24 · 18 obs

○A13.249.182.962026-07-01 → 2026-07-24 · 18 obs

○A13.32.241.132026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:10:58
● 2026-03-22 14:35:04
○ 2026-03-22 15:07:28
○ 2026-07-26 21:57:52

○A13.32.241.22026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:10:58
● 2026-03-22 14:35:04
○ 2026-03-22 15:07:28
○ 2026-07-26 21:57:52

○A13.32.241.452026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:10:58
● 2026-03-22 14:35:04
○ 2026-03-22 15:07:28
○ 2026-07-26 21:57:52

○A13.32.241.772026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:10:58
● 2026-03-22 14:35:04
○ 2026-03-22 15:07:28
○ 2026-07-26 21:57:52

○A13.33.109.1082026-04-20 → 2026-05-21 · 17 obs

○ 2026-04-19 14:56:30
● 2026-04-20 21:55:30
○ 2026-04-20 23:53:06
● 2026-04-21 08:22:36
○ 2026-04-21 10:34:36
○ 2026-05-08 18:10:22
● 2026-05-08 22:06:00
● 2026-05-12 22:24:36
○ 2026-05-12 22:58:44
○ 2026-05-14 08:42:24
● 2026-05-14 11:40:54
● 2026-05-20 19:22:52
○ 2026-05-20 23:23:36
● 2026-05-21 00:03:06
● 2026-05-21 05:53:00
○ 2026-05-21 07:02:02
○ 2026-07-26 21:57:52

○A13.33.109.1192026-04-20 → 2026-05-21 · 17 obs

○A13.33.109.432026-04-20 → 2026-05-21 · 17 obs

○A13.33.109.562026-04-20 → 2026-05-21 · 17 obs

○A13.33.235.1112026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 14:35:04
● 2026-03-22 15:07:28
○ 2026-03-22 20:29:54
○ 2026-07-26 21:57:52

○A13.33.235.192026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 14:35:04
● 2026-03-22 15:07:28
○ 2026-03-22 20:29:54
○ 2026-07-26 21:57:52

○A13.33.235.282026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 14:35:04
● 2026-03-22 15:07:28
○ 2026-03-22 20:29:54
○ 2026-07-26 21:57:52

○A13.33.235.592026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 14:35:04
● 2026-03-22 15:07:28
○ 2026-03-22 20:29:54
○ 2026-07-26 21:57:52

○A13.33.82.412026-05-07 → 2026-05-08 · 10 obs

○ 2026-04-21 15:40:00
● 2026-05-07 09:55:50
○ 2026-05-07 11:41:54
● 2026-05-07 12:15:14
● 2026-05-07 14:35:42
○ 2026-05-07 15:38:32
● 2026-05-07 19:15:26
● 2026-05-08 00:29:24
○ 2026-05-08 01:06:08
○ 2026-07-26 21:57:52

○A13.33.82.492026-05-07 → 2026-05-08 · 10 obs

○A13.33.82.942026-05-07 → 2026-05-08 · 10 obs

○A13.33.82.962026-05-07 → 2026-05-08 · 10 obs

○A13.35.107.1062026-07-14 → 2026-07-26 · 22 obs

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

○A13.35.107.112026-07-14 → 2026-07-26 · 22 obs

○A13.35.107.302026-07-14 → 2026-07-26 · 22 obs

○A13.35.107.392026-07-14 → 2026-07-26 · 22 obs

○A13.35.20.1202026-05-28 → 2026-06-05 · 18 obs

○ 2026-05-27 11:17:22
● 2026-05-28 17:01:54
○ 2026-05-28 17:39:06
○ 2026-05-29 19:19:02
● 2026-05-29 19:50:00
○ 2026-05-29 20:31:48
○ 2026-06-01 14:53:36
● 2026-06-01 16:05:04
● 2026-06-01 18:45:04
○ 2026-06-01 19:36:08
○ 2026-06-02 04:55:38
● 2026-06-02 06:50:30
● 2026-06-02 10:12:34
○ 2026-06-02 11:55:54
○ 2026-06-05 17:47:18
● 2026-06-05 21:34:10
○ 2026-06-05 22:09:14
○ 2026-07-26 21:57:52

○A13.35.20.572026-05-28 → 2026-06-05 · 18 obs

○A13.35.20.692026-05-28 → 2026-06-05 · 18 obs

○A13.35.20.922026-05-28 → 2026-06-05 · 18 obs

○A18.154.84.102026-03-27 → 2026-06-30 · 18 obs

○ 2026-03-26 23:03:28
● 2026-03-27 17:18:12
● 2026-03-29 17:11:40
○ 2026-03-29 20:19:00
○ 2026-04-01 08:48:40
● 2026-04-03 02:00:18
● 2026-04-05 08:47:14
○ 2026-04-07 06:28:56
○ 2026-04-17 09:53:08
● 2026-04-19 14:56:30
○ 2026-04-21 15:40:00
○ 2026-06-18 08:22:38
● 2026-06-20 10:26:58
● 2026-06-30 18:33:20
○ 2026-06-30 19:45:14
● 2026-06-30 21:43:32
○ 2026-06-30 22:58:18
○ 2026-07-26 21:57:52

○A18.154.84.1202026-03-27 → 2026-06-30 · 18 obs

○A18.154.84.292026-03-27 → 2026-06-30 · 18 obs

○A18.154.84.772026-03-27 → 2026-06-30 · 18 obs

○A18.164.77.1142026-03-30 → 2026-05-21 · 18 obs

○ 2026-03-30 15:09:08
● 2026-03-30 19:35:44
○ 2026-03-31 02:09:26
○ 2026-03-31 11:17:00
● 2026-03-31 12:47:24
● 2026-04-01 08:48:40
○ 2026-04-02 03:31:36
● 2026-04-02 19:08:10
○ 2026-04-03 02:00:18
● 2026-04-03 23:03:50
● 2026-04-04 20:18:22
○ 2026-04-05 08:47:14
○ 2026-05-21 18:44:44
● 2026-05-21 19:15:22
○ 2026-05-21 19:54:00
● 2026-05-21 20:44:20
○ 2026-05-21 21:50:16
○ 2026-07-26 21:57:52

○A18.164.77.142026-03-30 → 2026-05-21 · 18 obs

○A18.164.77.232026-03-30 → 2026-05-21 · 18 obs

○A18.164.77.712026-03-30 → 2026-05-21 · 18 obs

○A18.164.78.1022026-04-07 → 2026-06-29 · 18 obs

○ 2026-04-05 08:47:14
● 2026-04-07 06:28:56
○ 2026-04-08 01:50:46
● 2026-06-18 15:29:48
○ 2026-06-18 19:22:48
● 2026-06-19 17:42:58
○ 2026-06-20 04:50:54
● 2026-06-22 16:40:50
○ 2026-06-23 13:45:44
● 2026-06-24 10:16:22
● 2026-06-27 10:55:46
○ 2026-06-27 17:11:24
● 2026-06-28 13:04:48
● 2026-06-29 09:37:18
○ 2026-06-29 10:19:40
● 2026-06-29 17:42:22
○ 2026-06-29 20:52:32
○ 2026-07-26 21:57:52

○A18.164.78.212026-04-07 → 2026-06-29 · 18 obs

○A18.164.78.262026-04-07 → 2026-06-29 · 18 obs

○A18.164.78.772026-04-07 → 2026-06-29 · 18 obs

○A18.165.9.172026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-22 01:43:50
● 2026-05-24 21:26:02
○ 2026-05-24 22:36:30
○ 2026-07-26 21:57:52

○A18.165.9.362026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-22 01:43:50
● 2026-05-24 21:26:02
○ 2026-05-24 22:36:30
○ 2026-07-26 21:57:52

○A18.165.9.482026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-22 01:43:50
● 2026-05-24 21:26:02
○ 2026-05-24 22:36:30
○ 2026-07-26 21:57:52

○A18.165.9.572026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-22 01:43:50
● 2026-05-24 21:26:02
○ 2026-05-24 22:36:30
○ 2026-07-26 21:57:52

○A18.165.98.272026-05-21 → 2026-06-17 · 8 obs

○ 2026-05-21 07:02:02
● 2026-05-21 09:23:46
● 2026-05-21 10:33:22
○ 2026-05-21 12:53:50
○ 2026-06-17 07:10:36
● 2026-06-17 09:31:30
○ 2026-06-17 10:25:46
○ 2026-07-26 21:57:52

○A18.165.98.422026-05-21 → 2026-06-17 · 8 obs

○ 2026-05-21 07:02:02
● 2026-05-21 09:23:46
● 2026-05-21 10:33:22
○ 2026-05-21 12:53:50
○ 2026-06-17 07:10:36
● 2026-06-17 09:31:30
○ 2026-06-17 10:25:46
○ 2026-07-26 21:57:52

○A18.165.98.632026-05-21 → 2026-06-17 · 8 obs

○ 2026-05-21 07:02:02
● 2026-05-21 09:23:46
● 2026-05-21 10:33:22
○ 2026-05-21 12:53:50
○ 2026-06-17 07:10:36
● 2026-06-17 09:31:30
○ 2026-06-17 10:25:46
○ 2026-07-26 21:57:52

○A18.165.98.782026-05-21 → 2026-06-17 · 8 obs

○ 2026-05-21 07:02:02
● 2026-05-21 09:23:46
● 2026-05-21 10:33:22
○ 2026-05-21 12:53:50
○ 2026-06-17 07:10:36
● 2026-06-17 09:31:30
○ 2026-06-17 10:25:46
○ 2026-07-26 21:57:52

○A18.172.134.142026-05-20 → 2026-07-02 · 18 obs

○ 2026-05-14 11:40:54
● 2026-05-20 08:13:18
● 2026-05-20 08:49:54
○ 2026-05-20 09:23:22
○ 2026-05-21 12:53:50
● 2026-05-21 17:05:00
○ 2026-05-22 01:43:50
○ 2026-06-07 23:31:46
● 2026-06-30 15:54:26
○ 2026-06-30 17:24:14
● 2026-07-01 04:26:12
○ 2026-07-01 16:24:36
● 2026-07-02 11:11:58
● 2026-07-02 20:38:50
○ 2026-07-02 21:45:54
● 2026-07-02 22:29:40
○ 2026-07-02 23:37:40
○ 2026-07-26 21:57:52

○A18.172.134.42026-05-20 → 2026-07-02 · 18 obs

○A18.172.134.62026-05-20 → 2026-07-02 · 18 obs

○A18.172.134.612026-05-20 → 2026-07-02 · 18 obs

○A18.66.255.1022026-06-16 → 2026-06-17 · 10 obs

○ 2026-06-16 13:39:34
● 2026-06-16 15:27:26
○ 2026-06-16 16:00:16
○ 2026-06-16 21:49:54
● 2026-06-16 22:53:38
○ 2026-06-17 00:10:32
○ 2026-06-17 11:51:50
● 2026-06-17 12:41:18
○ 2026-06-17 14:11:06
○ 2026-07-26 21:57:52

○A18.66.255.1172026-06-16 → 2026-06-17 · 10 obs

○A18.66.255.142026-06-16 → 2026-06-17 · 10 obs

○A18.66.255.512026-06-16 → 2026-06-17 · 10 obs

○A18.67.65.1212026-03-09 → 2026-07-11 · 17 obs

● 2026-03-09 10:29:28
● 2026-03-10 12:41:36
○ 2026-03-13 14:07:32
○ 2026-05-21 21:50:16
● 2026-05-22 01:43:50
○ 2026-05-26 21:19:20
○ 2026-06-13 05:25:50
● 2026-06-13 07:32:16
● 2026-06-19 07:03:28
○ 2026-06-20 10:26:58
○ 2026-06-25 18:24:14
● 2026-06-26 03:39:38
● 2026-07-11 12:06:12
○ 2026-07-11 12:58:38
● 2026-07-11 20:24:08
○ 2026-07-11 22:00:08
○ 2026-07-26 21:57:52

○A18.67.65.182026-03-09 → 2026-07-11 · 17 obs

○A18.67.65.22026-03-09 → 2026-07-11 · 17 obs

○A18.67.65.862026-03-09 → 2026-07-11 · 17 obs

○A3.164.206.232026-03-22 → 2026-07-20 · 17 obs

○ 2026-03-22 15:07:28
● 2026-03-22 20:29:54
○ 2026-03-22 23:07:26
○ 2026-03-22 23:49:40
● 2026-03-23 02:05:40
○ 2026-03-23 05:15:44
○ 2026-06-02 22:26:12
● 2026-07-11 17:27:06
● 2026-07-14 04:48:24
○ 2026-07-14 17:14:06
● 2026-07-15 20:39:14
○ 2026-07-17 03:10:42
● 2026-07-18 17:00:30
○ 2026-07-18 21:33:50
● 2026-07-20 11:41:36
○ 2026-07-20 12:40:12
○ 2026-07-26 21:57:52

○A3.164.206.292026-03-22 → 2026-07-20 · 17 obs

○A3.164.206.322026-03-22 → 2026-07-20 · 17 obs

○A3.164.206.762026-03-22 → 2026-07-20 · 17 obs

○A3.165.232.1152026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 04:28:14
● 2026-03-22 01:10:58
○ 2026-03-22 14:35:04
○ 2026-07-26 21:57:52

○A3.165.232.272026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 04:28:14
● 2026-03-22 01:10:58
○ 2026-03-22 14:35:04
○ 2026-07-26 21:57:52

○A3.165.232.332026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 04:28:14
● 2026-03-22 01:10:58
○ 2026-03-22 14:35:04
○ 2026-07-26 21:57:52

○A3.165.232.882026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 04:28:14
● 2026-03-22 01:10:58
○ 2026-03-22 14:35:04
○ 2026-07-26 21:57:52

○A3.166.49.1002026-03-13 → 2026-03-26 · 17 obs

○ 2026-03-10 12:41:36
● 2026-03-13 14:07:32
● 2026-03-14 16:11:34
○ 2026-03-16 17:58:54
○ 2026-03-17 10:51:52
● 2026-03-17 23:23:56
● 2026-03-21 04:28:14
○ 2026-03-22 01:10:58
○ 2026-03-23 02:44:04
● 2026-03-23 05:15:44
● 2026-03-25 07:26:06
○ 2026-03-25 20:08:06
● 2026-03-25 23:49:22
○ 2026-03-26 05:59:10
● 2026-03-26 17:15:04
○ 2026-03-26 23:03:28
○ 2026-07-26 21:57:52

○A3.166.49.412026-03-13 → 2026-03-26 · 17 obs

○A3.166.49.452026-03-13 → 2026-03-26 · 17 obs

○A3.166.49.872026-03-13 → 2026-03-26 · 17 obs

○A3.174.193.1132026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 17:39:06
● 2026-05-29 03:00:02
○ 2026-05-29 04:00:46
○ 2026-07-26 21:57:52

○A3.174.193.1232026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 17:39:06
● 2026-05-29 03:00:02
○ 2026-05-29 04:00:46
○ 2026-07-26 21:57:52

○A3.174.193.572026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 17:39:06
● 2026-05-29 03:00:02
○ 2026-05-29 04:00:46
○ 2026-07-26 21:57:52

○A3.174.193.772026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 17:39:06
● 2026-05-29 03:00:02
○ 2026-05-29 04:00:46
○ 2026-07-26 21:57:52

○A3.174.255.1012026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 21:19:20
● 2026-05-27 00:24:34
○ 2026-05-27 01:57:46
○ 2026-07-26 21:57:52

○A3.174.255.732026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 21:19:20
● 2026-05-27 00:24:34
○ 2026-05-27 01:57:46
○ 2026-07-26 21:57:52

○A3.174.255.842026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 21:19:20
● 2026-05-27 00:24:34
○ 2026-05-27 01:57:46
○ 2026-07-26 21:57:52

○A3.174.255.902026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 21:19:20
● 2026-05-27 00:24:34
○ 2026-05-27 01:57:46
○ 2026-07-26 21:57:52

●A3.174.59.242026-03-30 → 2026-07-26 · 22 obs

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

●A3.174.59.502026-03-30 → 2026-07-26 · 22 obs

●A3.174.59.592026-03-30 → 2026-07-26 · 22 obs

●A3.174.59.782026-03-30 → 2026-07-26 · 22 obs

○A3.174.83.1062026-03-29 → 2026-07-23 · 18 obs

○ 2026-03-29 17:11:40
● 2026-03-29 20:19:00
● 2026-03-29 21:50:06
○ 2026-03-30 02:05:36
○ 2026-05-26 20:09:14
● 2026-05-26 21:19:20
● 2026-06-09 04:22:16
○ 2026-06-10 07:18:18
○ 2026-06-16 13:39:34
● 2026-06-30 22:58:18
● 2026-07-12 23:12:54
○ 2026-07-17 12:08:08
● 2026-07-18 21:33:50
● 2026-07-23 15:32:18
○ 2026-07-23 16:41:00
● 2026-07-23 22:50:06
○ 2026-07-24 07:37:58
○ 2026-07-26 21:57:52

○A3.174.83.132026-03-29 → 2026-07-23 · 18 obs

○A3.174.83.472026-03-29 → 2026-07-23 · 18 obs

○A3.174.83.592026-03-29 → 2026-07-23 · 18 obs

○A52.85.118.1112026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 21:34:10
● 2026-06-05 22:09:14
○ 2026-06-05 23:55:38
○ 2026-07-26 21:57:52

○A52.85.118.1182026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 21:34:10
● 2026-06-05 22:09:14
○ 2026-06-05 23:55:38
○ 2026-07-26 21:57:52

○A52.85.118.152026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 21:34:10
● 2026-06-05 22:09:14
○ 2026-06-05 23:55:38
○ 2026-07-26 21:57:52

○A52.85.118.412026-06-05 → 2026-06-05 · 4 obs

○ 2026-06-05 21:34:10
● 2026-06-05 22:09:14
○ 2026-06-05 23:55:38
○ 2026-07-26 21:57:52

○A99.86.20.162026-05-27 → 2026-05-31 · 17 obs

○ 2026-05-27 01:57:46
● 2026-05-27 10:39:44
○ 2026-05-27 11:17:22
○ 2026-05-29 03:00:02
● 2026-05-29 04:00:46
○ 2026-05-29 05:06:36
○ 2026-05-29 23:58:50
● 2026-05-30 00:29:20
○ 2026-05-30 01:09:06
○ 2026-05-30 19:41:48
● 2026-05-30 20:49:44
● 2026-05-30 21:37:04
○ 2026-05-30 23:11:46
○ 2026-05-31 22:32:30
● 2026-05-31 23:32:50
○ 2026-06-01 00:52:18
○ 2026-07-26 21:57:52

○A99.86.20.292026-05-27 → 2026-05-31 · 17 obs

○A99.86.20.392026-05-27 → 2026-05-31 · 17 obs

○A99.86.20.732026-05-27 → 2026-05-31 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	e.dns.kr, c.dns.kr, g.dns.kr, b.dns.kr...	-
classmethod.kr	ns-1939.awsdns-50.co.uk, ns-464.awsdns-58.com, ns-585.awsdns-09.net, ns-1443.awsdns-52.org	-

✅ Authoritative Response

Server:205.251.199.147

NS records: ns-1939.awsdns-50.co.uk, ns-464.awsdns-58.com, ns-585.awsdns-09.net, ns-1443.awsdns-52.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classmethod.kr (unsigned zone)

⏱️ Timing

Total: 1547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.106, 13.35.107.30...`
NS	4	`ns-1443.awsdns-52.org, ns-1939.awsdns-50.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=uZVYIr75nroaE4o, v=spf1 include:_spf.google.com include:m`
SOA	1	`ns-464.awsdns-58.com awsdns-hostmaster.a`

Analysis

IP Addresses

classmethod.kr directs to four IP numbers, which are 3.174.59.24, 3.174.59.50, 3.174.59.59 and 3.174.59.78.

d2dfa9r5tahs4k.cloudfront.net, zw05towtv4y5.uvtmo.hstatic.io, d2vs6uixe6m539.cloudfront.net and two other host names share IP numbers with classmethod.kr.

Name Servers

The authoritative name servers for classmethod.kr are ns-464.awsdns-58.com, ns-585.awsdns-09.net, ns-1443.awsdns-52.org and ns-1939.awsdns-50.co.uk.

At least some of classmethod.kr's name servers are shared with other domains, for example treetopforestry.co.uk, dynamiccontentmanager.com, dqodev17vdysi.cloudfront.net and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-464.awsdns-58.com directs to 205.251.193.208 and 2600:9000:5301:d000::1; ns-585.awsdns-09.net directs to 205.251.194.73 and 2600:9000:5302:4900::1; ns-1443.awsdns-52.org directs to 205.251.197.163 and 2600:9000:5305:a300::1; ns-1939.awsdns-50.co.uk directs to 205.251.199.147 and 2600:9000:5307:9300::1.

Mail Servers

Five mail servers handle classmethod.kr: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

classmethod.kr has at least partial mail server overlap with other domains such as ns500758.ns500758.ns500759.ns500736.ns500698.ns500708.ns500708.ns500686.ns500652.ns500652.ns500619.trackreceptor.com, ns500758.ns500758.ns500758.ns500758.ns500759.ns500698.ns500735.ns500698.ns500576.ns500698.ns500708.ns500698.ns500698.ns500619.ns500619.ns500619.trackreceptor.com, ns500765.ns500734.ns500734.ns500734.ns500734.ns500699.ns500693.ns500693.ns500699.ns500683.ns500683.ns500693.ns500588.ns500588.ns500588.ns500588.ns500588.dtrkdll.com and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

The A records for aspmx.l.google.com return 172.253.63.26 and 2607:f8b0:4004:c08::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1b.