programmers.co.kr - dns.ninja

`programmers.co.kr`

DNSSEC	⚠️ Not signed
A	13.35.107.20^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
		PTR	`server-13-35-107-20.phl51.r.cloudfront.net`
A	13.35.107.29^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.66^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.112^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
NS	`ns-1583.awsdns-05.co.uk` ⭐
		A	2600:9000:5306:2f00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1583.awsdns-05.co.uk`
		A	205.251.198.47^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1583.awsdns-05.co.uk`
NS	`ns-1140.awsdns-14.org`
		A	2600:9000:5304:7400::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1140.awsdns-14.org`
		A	205.251.196.116^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1140.awsdns-14.org`
NS	`ns-455.awsdns-56.com`
		A	2600:9000:5301:c700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-455.awsdns-56.com`
		A	205.251.193.199^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-455.awsdns-56.com`
NS	`ns-543.awsdns-03.net`
		A	2600:9000:5302:1f00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-543.awsdns-03.net`
		A	205.251.194.31^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-543.awsdns-03.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.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	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`google-site-verification=DCdNDRozpd-fo_eXsy4IEytGfKbD2H_S_SR4p4ZYscE`
TXT	`google-site-verification=GY5VnXCKUyvE6YEShh5mayl3NZEBww0J-9rOKyt4TEI`
TXT	`google-site-verification=Z9qZz155KQLu77llc1wF4LlccJE88dymkeGyw1I62JY`
TXT	`v=spf1 include:amazonses.com ~all`
TXT	`v=spf1 include:mail.stibee.com include:servers.mcsv.net include:sendgrid.net ...`
SOA	`ns-1583.awsdns-05.co.uk`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=2607260533

rank #502312 globally
rank #1239 in the tld
📈 Tranco rank: #189,971
WOT: UNKNOWN (62/100)

Subdomains

www.programmers.co.kr

school.programmers.co.kr

community.programmers.co.kr

campus.programmers.co.kr

Same first word

Similar names

sprogrammer.com

mrgamerpros.de

DNS History

95 records (13 active, 82 former)

●NSns-1140.awsdns-14.org2026-02-15 → 2026-07-26 · 3 obs

○ 2017-06-01 18:17:12
● 2026-02-15 01:51:10
● 2026-07-26 00:56:32

●NSns-1583.awsdns-05.co.uk2026-02-15 → 2026-07-26 · 3 obs

○ 2017-06-01 18:17:12
● 2026-02-15 01:51:10
● 2026-07-26 00:56:32

●NSns-455.awsdns-56.com2026-02-15 → 2026-07-26 · 3 obs

○ 2017-06-01 18:17:12
● 2026-02-15 01:51:10
● 2026-07-26 00:56:32

●NSns-543.awsdns-03.net2026-02-15 → 2026-07-26 · 3 obs

○ 2017-06-01 18:17:12
● 2026-02-15 01:51:10
● 2026-07-26 00:56:32

○NSns1.dnsimple.com2017-06-01 → 2017-06-01 · 3 obs

● 2017-06-01 18:17:12
○ 2026-02-15 01:51:10
○ 2026-07-26 00:56:32

○NSns2.dnsimple.com2017-06-01 → 2017-06-01 · 3 obs

● 2017-06-01 18:17:12
○ 2026-02-15 01:51:10
○ 2026-07-26 00:56:32

○NSns3.dnsimple.com2017-06-01 → 2017-06-01 · 3 obs

● 2017-06-01 18:17:12
○ 2026-02-15 01:51:10
○ 2026-07-26 00:56:32

○NSns4.dnsimple.com2017-06-01 → 2017-06-01 · 3 obs

● 2017-06-01 18:17:12
○ 2026-02-15 01:51:10
○ 2026-07-26 00:56:32

●MXalt1.aspmx.l.google.com2017-06-01 → 2026-07-26 · 4 obs

● 2017-06-01 18:17:12
○ 2026-07-10 02:10:48
● 2026-07-10 03:12:32
● 2026-07-26 00:56:32

●MXalt2.aspmx.l.google.com2017-06-01 → 2026-07-26 · 4 obs

● 2017-06-01 18:17:12
○ 2026-07-10 02:10:48
● 2026-07-10 03:12:32
● 2026-07-26 00:56:32

●MXaspmx.l.google.com2017-06-01 → 2026-07-26 · 4 obs

● 2017-06-01 18:17:12
○ 2026-07-10 02:10:48
● 2026-07-10 03:12:32
● 2026-07-26 00:56:32

●MXaspmx2.googlemail.com2017-06-01 → 2026-07-26 · 4 obs

● 2017-06-01 18:17:12
○ 2026-07-10 02:10:48
● 2026-07-10 03:12:32
● 2026-07-26 00:56:32

●MXaspmx3.googlemail.com2017-06-01 → 2026-07-26 · 4 obs

● 2017-06-01 18:17:12
○ 2026-07-10 02:10:48
● 2026-07-10 03:12:32
● 2026-07-26 00:56:32

○A108.157.173.1182026-04-26 → 2026-05-27 · 19 obs

○ 2026-04-25 00:32:26
● 2026-04-26 12:21:34
○ 2026-04-26 22:38:40
○ 2026-04-27 08:21:10
● 2026-04-27 10:15:26
○ 2026-04-27 14:42:12
○ 2026-05-09 06:50:02
● 2026-05-09 21:25:42
○ 2026-05-10 12:38:16
○ 2026-05-13 03:12:22
● 2026-05-14 01:50:54
○ 2026-05-14 21:58:32
● 2026-05-15 20:41:44
○ 2026-05-16 05:59:28
○ 2026-05-27 13:07:14
● 2026-05-27 13:43:26
● 2026-05-27 20:19:24
○ 2026-05-27 22:47:24
○ 2026-07-26 00:56:32

○A108.157.173.702026-04-26 → 2026-05-27 · 19 obs

○A108.157.173.932026-04-26 → 2026-05-27 · 19 obs

○A108.157.173.982026-04-26 → 2026-05-27 · 19 obs

○A13.224.125.232026-03-28 → 2026-07-24 · 69 obs

○ 2026-03-27 22:29:38
● 2026-03-28 18:55:22
○ 2026-03-29 01:45:42
○ 2026-03-31 02:39:44
● 2026-03-31 04:34:24
○ 2026-03-31 13:03:10
○ 2026-06-01 12:40:16
● 2026-06-02 22:14:38
○ 2026-06-04 19:31:04
○ 2026-06-06 15:29:32
● 2026-06-07 20:08:46
○ 2026-06-08 16:36:26
● 2026-06-10 17:34:08
● 2026-06-12 23:44:34
○ 2026-06-13 04:33:02
○ 2026-06-17 15:50:44
● 2026-06-17 16:30:32
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● 2026-07-01 08:53:46
○ 2026-07-01 14:20:10
● 2026-07-02 21:27:38
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● 2026-07-04 08:23:42
○ 2026-07-04 11:33:50
● 2026-07-04 13:12:52
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● 2026-07-04 23:55:56
○ 2026-07-05 06:04:00
● 2026-07-05 07:46:40
○ 2026-07-07 16:51:14
● 2026-07-07 21:30:38
○ 2026-07-08 08:46:48
● 2026-07-08 14:37:12
○ 2026-07-08 23:13:38
● 2026-07-08 23:53:32
○ 2026-07-09 06:18:48
● 2026-07-09 11:48:08
○ 2026-07-10 02:10:48
● 2026-07-10 10:20:42
○ 2026-07-10 17:16:08
● 2026-07-10 19:15:36
○ 2026-07-11 04:12:42
● 2026-07-11 04:44:44
○ 2026-07-11 09:29:36
● 2026-07-11 12:15:40
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● 2026-07-11 21:15:02
○ 2026-07-13 09:49:48
● 2026-07-13 12:15:14
○ 2026-07-14 01:55:38
● 2026-07-14 07:34:16
○ 2026-07-14 08:07:42
● 2026-07-14 18:41:58
○ 2026-07-14 19:18:46
● 2026-07-17 05:59:26
○ 2026-07-18 06:32:34
● 2026-07-18 20:15:10
○ 2026-07-19 03:18:06
● 2026-07-19 04:48:38
○ 2026-07-19 07:42:48
● 2026-07-19 18:10:50
○ 2026-07-20 11:19:52
● 2026-07-21 04:04:38
○ 2026-07-23 21:00:52
● 2026-07-24 00:16:24
○ 2026-07-24 01:20:32
● 2026-07-24 04:58:04
○ 2026-07-25 06:53:08
○ 2026-07-26 00:56:32

○A13.224.125.412026-03-28 → 2026-07-24 · 69 obs

○A13.224.125.432026-03-28 → 2026-07-24 · 69 obs

○A13.224.125.962026-03-28 → 2026-07-24 · 69 obs

○A13.227.87.1142026-05-20 → 2026-07-01 · 23 obs

○ 2026-05-19 08:50:52
● 2026-05-20 06:38:58
● 2026-05-21 23:58:10
○ 2026-05-22 12:27:32
● 2026-05-22 13:02:06
● 2026-05-23 02:41:06
○ 2026-05-23 14:08:28
● 2026-05-23 19:57:32
● 2026-05-26 09:30:04
○ 2026-05-26 20:27:58
● 2026-05-27 00:58:18
○ 2026-05-27 11:59:16
○ 2026-05-27 22:47:24
● 2026-05-28 04:47:16
○ 2026-05-28 18:33:26
○ 2026-05-29 00:05:06
● 2026-05-29 00:55:32
○ 2026-05-29 20:54:26
● 2026-06-30 22:33:42
○ 2026-07-01 08:53:46
● 2026-07-01 14:20:10
○ 2026-07-01 18:00:22
○ 2026-07-26 00:56:32

○A13.227.87.1272026-05-20 → 2026-07-01 · 23 obs

○A13.227.87.82026-05-20 → 2026-07-01 · 23 obs

○A13.227.87.942026-05-20 → 2026-07-01 · 23 obs

○A13.249.126.1032026-02-17 → 2026-07-25 · 44 obs

○ 2026-02-17 01:31:00
● 2026-02-17 06:36:20
● 2026-02-17 17:07:38
○ 2026-02-18 00:10:32
● 2026-02-18 01:13:48
● 2026-02-19 10:01:44
○ 2026-02-19 20:10:10
○ 2026-03-02 11:57:00
● 2026-03-03 06:14:54
○ 2026-03-03 22:53:32
○ 2026-03-19 03:25:48
● 2026-03-19 04:24:10
● 2026-03-21 08:55:08
○ 2026-03-22 02:05:06
● 2026-03-22 04:14:40
● 2026-03-22 04:45:58
○ 2026-03-22 16:30:38
● 2026-07-04 11:33:50
○ 2026-07-04 13:12:52
● 2026-07-04 14:13:08
○ 2026-07-04 23:55:56
● 2026-07-05 06:04:00
○ 2026-07-05 07:46:40
● 2026-07-07 16:51:14
○ 2026-07-07 21:30:38
● 2026-07-08 08:46:48
○ 2026-07-08 14:37:12
● 2026-07-08 23:13:38
○ 2026-07-08 23:53:32
● 2026-07-09 06:18:48
○ 2026-07-09 08:09:46
● 2026-07-10 04:34:22
○ 2026-07-10 07:03:14
● 2026-07-10 17:16:08
○ 2026-07-10 19:15:36
● 2026-07-11 04:12:42
○ 2026-07-11 04:44:44
● 2026-07-23 21:00:52
○ 2026-07-23 22:15:10
● 2026-07-24 01:20:32
○ 2026-07-24 04:58:04
● 2026-07-25 06:53:08
○ 2026-07-25 10:09:04
○ 2026-07-26 00:56:32

○A13.249.126.242026-02-17 → 2026-07-25 · 44 obs

○A13.249.126.532026-02-17 → 2026-07-25 · 44 obs

○A13.249.126.852026-02-17 → 2026-07-25 · 44 obs

○A13.33.109.202026-04-21 → 2026-05-26 · 19 obs

○ 2026-04-18 06:31:20
● 2026-04-21 00:29:16
○ 2026-04-21 02:08:56
○ 2026-04-24 02:52:32
● 2026-04-24 05:32:56
○ 2026-04-25 00:32:26
○ 2026-05-07 21:12:30
● 2026-05-08 23:44:56
○ 2026-05-09 02:17:50
○ 2026-05-15 20:41:44
● 2026-05-16 12:33:02
○ 2026-05-16 23:47:08
○ 2026-05-19 07:11:22
● 2026-05-19 08:50:52
○ 2026-05-20 06:38:58
○ 2026-05-26 18:58:58
● 2026-05-26 19:48:36
○ 2026-05-26 20:27:58
○ 2026-07-26 00:56:32

○A13.33.109.632026-04-21 → 2026-05-26 · 19 obs

○A13.33.109.942026-04-21 → 2026-05-26 · 19 obs

○A13.33.109.982026-04-21 → 2026-05-26 · 19 obs

○A13.33.82.1002026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-05 17:55:20
● 2026-05-07 16:03:04
○ 2026-05-07 16:48:52
○ 2026-07-26 00:56:32

○A13.33.82.1212026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-05 17:55:20
● 2026-05-07 16:03:04
○ 2026-05-07 16:48:52
○ 2026-07-26 00:56:32

○A13.33.82.1282026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-05 17:55:20
● 2026-05-07 16:03:04
○ 2026-05-07 16:48:52
○ 2026-07-26 00:56:32

○A13.33.82.732026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-05 17:55:20
● 2026-05-07 16:03:04
○ 2026-05-07 16:48:52
○ 2026-07-26 00:56:32

●A13.35.107.1122026-04-14 → 2026-07-26 · 22 obs

○ 2026-04-05 10:26:10
● 2026-04-14 13:05:44
● 2026-04-14 13:37:06
○ 2026-04-14 22:07:22
● 2026-04-15 00:07:18
○ 2026-04-15 01:41:42
● 2026-07-14 08:07:42
○ 2026-07-14 09:01:36
● 2026-07-14 12:38:14
○ 2026-07-14 17:24:14
● 2026-07-18 10:36:04
○ 2026-07-18 20:15:10
● 2026-07-19 03:18:06
○ 2026-07-19 04:48:38
● 2026-07-19 07:42:48
○ 2026-07-19 18:10:50
● 2026-07-20 20:44:14
○ 2026-07-21 04:04:38
● 2026-07-23 22:15:10
○ 2026-07-24 00:16:24
● 2026-07-25 10:09:04
● 2026-07-26 00:56:32

●A13.35.107.202026-04-14 → 2026-07-26 · 22 obs

●A13.35.107.292026-04-14 → 2026-07-26 · 22 obs

●A13.35.107.662026-04-14 → 2026-07-26 · 22 obs

○A13.35.163.1002026-05-27 → 2026-06-06 · 10 obs

○ 2026-05-27 11:59:16
● 2026-05-27 13:07:14
○ 2026-05-27 13:43:26
○ 2026-05-27 20:19:24
● 2026-05-27 22:47:24
○ 2026-05-28 04:47:16
○ 2026-06-06 12:30:26
● 2026-06-06 15:29:32
○ 2026-06-07 20:08:46
○ 2026-07-26 00:56:32

○A13.35.163.1052026-05-27 → 2026-06-06 · 10 obs

○A13.35.163.162026-05-27 → 2026-06-06 · 10 obs

○A13.35.163.242026-05-27 → 2026-06-06 · 10 obs

○A13.35.196.1052026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-29 01:45:42
● 2026-03-30 12:48:58
○ 2026-03-30 14:35:42
○ 2026-07-26 00:56:32

○A13.35.196.1072026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-29 01:45:42
● 2026-03-30 12:48:58
○ 2026-03-30 14:35:42
○ 2026-07-26 00:56:32

○A13.35.196.462026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-29 01:45:42
● 2026-03-30 12:48:58
○ 2026-03-30 14:35:42
○ 2026-07-26 00:56:32

○A13.35.196.672026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-29 01:45:42
● 2026-03-30 12:48:58
○ 2026-03-30 14:35:42
○ 2026-07-26 00:56:32

○A18.165.140.1092026-03-25 → 2026-07-20 · 23 obs

○ 2026-03-22 16:30:38
● 2026-03-25 17:54:30
○ 2026-03-25 19:01:56
○ 2026-03-27 09:33:06
● 2026-03-27 10:08:00
○ 2026-03-27 11:09:38
● 2026-07-11 13:56:02
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● 2026-07-13 09:49:48
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● 2026-07-14 01:55:38
○ 2026-07-14 07:34:16
● 2026-07-14 09:01:36
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● 2026-07-14 17:24:14
○ 2026-07-14 18:41:58
● 2026-07-14 19:18:46
○ 2026-07-17 05:59:26
● 2026-07-18 06:32:34
○ 2026-07-18 10:36:04
● 2026-07-20 11:19:52
○ 2026-07-20 20:44:14
○ 2026-07-26 00:56:32

○A18.165.140.52026-03-25 → 2026-07-20 · 23 obs

○A18.165.140.942026-03-25 → 2026-07-20 · 23 obs

○A18.165.140.992026-03-25 → 2026-07-20 · 23 obs

○A18.165.242.1002026-02-15 → 2026-06-30 · 66 obs

○ 2017-06-01 18:17:12
● 2026-02-15 01:51:10
● 2026-02-17 01:31:00
○ 2026-02-17 06:36:20
○ 2026-03-03 06:14:54
● 2026-03-03 22:53:32
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○ 2026-06-13 02:34:26
● 2026-06-18 21:36:32
○ 2026-06-20 00:17:18
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○ 2026-06-22 19:02:04
● 2026-06-22 23:58:34
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○ 2026-07-26 00:56:32

○A18.165.242.132026-02-15 → 2026-06-30 · 66 obs

○A18.165.242.532026-02-15 → 2026-06-30 · 66 obs

○A18.165.242.752026-02-15 → 2026-06-30 · 66 obs

○A18.244.140.272026-04-15 → 2026-04-15 · 4 obs

○ 2026-04-15 01:41:42
● 2026-04-15 02:57:24
○ 2026-04-15 11:26:08
○ 2026-07-26 00:56:32

○A18.244.140.412026-04-15 → 2026-04-15 · 4 obs

○ 2026-04-15 01:41:42
● 2026-04-15 02:57:24
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○ 2026-07-26 00:56:32

○A18.244.140.532026-04-15 → 2026-04-15 · 4 obs

○ 2026-04-15 01:41:42
● 2026-04-15 02:57:24
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○ 2026-07-26 00:56:32

○A18.244.140.942026-04-15 → 2026-04-15 · 4 obs

○ 2026-04-15 01:41:42
● 2026-04-15 02:57:24
○ 2026-04-15 11:26:08
○ 2026-07-26 00:56:32

○A18.67.233.1022026-05-26 → 2026-06-03 · 13 obs

○ 2026-05-26 19:48:36
● 2026-05-26 20:27:58
○ 2026-05-27 00:58:18
○ 2026-05-28 15:06:46
● 2026-05-28 18:33:26
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○ 2026-07-26 00:56:32

○A18.67.233.1252026-05-26 → 2026-06-03 · 13 obs

○A18.67.233.282026-05-26 → 2026-06-03 · 13 obs

○A18.67.233.772026-05-26 → 2026-06-03 · 13 obs

○A3.167.212.272026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 09:47:50
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○A3.167.212.462026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 09:47:50
● 2026-02-23 12:36:44
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○A3.167.212.72026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 09:47:50
● 2026-02-23 12:36:44
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○A3.167.212.872026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 09:47:50
● 2026-02-23 12:36:44
○ 2026-02-23 13:27:18
○ 2026-07-26 00:56:32

○A3.167.37.262026-02-18 → 2026-07-11 · 47 obs

○ 2026-02-15 01:51:10
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● 2026-02-18 00:10:32
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○ 2026-07-26 00:56:32

○A3.167.37.382026-02-18 → 2026-07-11 · 47 obs

○A3.167.37.422026-02-18 → 2026-07-11 · 47 obs

○A3.167.37.782026-02-18 → 2026-07-11 · 47 obs

○A3.170.185.482026-05-30 → 2026-06-06 · 19 obs

○ 2026-05-29 20:54:26
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○A3.170.185.652026-05-30 → 2026-06-06 · 19 obs

○A3.170.185.672026-05-30 → 2026-06-06 · 19 obs

○A3.170.185.92026-05-30 → 2026-06-06 · 19 obs

○A3.170.3.1112026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-23 13:27:18
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○A3.170.3.552026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-23 13:27:18
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○A3.170.3.572026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-23 13:27:18
● 2026-02-26 11:38:40
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○A3.170.3.772026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-23 13:27:18
● 2026-02-26 11:38:40
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○ 2026-07-26 00:56:32

○A3.173.182.1052026-02-23 → 2026-06-29 · 6 obs

○ 2026-02-20 21:48:22
● 2026-02-23 09:47:50
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● 2026-06-29 08:00:24
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○A3.173.182.722026-02-23 → 2026-06-29 · 6 obs

○ 2026-02-20 21:48:22
● 2026-02-23 09:47:50
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● 2026-06-29 08:00:24
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○ 2026-07-26 00:56:32

○A3.173.182.832026-02-23 → 2026-06-29 · 6 obs

○ 2026-02-20 21:48:22
● 2026-02-23 09:47:50
○ 2026-02-23 12:36:44
● 2026-06-29 08:00:24
○ 2026-06-29 08:42:10
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○A3.173.182.962026-02-23 → 2026-06-29 · 6 obs

○ 2026-02-20 21:48:22
● 2026-02-23 09:47:50
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● 2026-06-29 08:00:24
○ 2026-06-29 08:42:10
○ 2026-07-26 00:56:32

○A52.78.37.2432017-06-01 → 2017-06-01 · 3 obs

● 2017-06-01 18:17:12
○ 2026-02-15 01:51:10
○ 2026-07-26 00:56:32

○A52.79.84.512017-06-01 → 2017-06-01 · 3 obs

● 2017-06-01 18:17:12
○ 2026-02-15 01:51:10
○ 2026-07-26 00:56:32

○A52.85.31.1252026-03-08 → 2026-04-18 · 13 obs

○ 2026-03-03 22:53:32
● 2026-03-08 00:43:14
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● 2026-03-14 15:30:20
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○A52.85.31.252026-03-08 → 2026-04-18 · 13 obs

○A52.85.31.342026-03-08 → 2026-04-18 · 13 obs

○A52.85.31.732026-03-08 → 2026-04-18 · 13 obs

○A99.84.132.282026-04-01 → 2026-07-01 · 59 obs

○ 2026-03-31 13:03:10
● 2026-04-01 07:29:46
● 2026-04-01 14:34:50
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● 2026-06-24 14:19:46
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● 2026-06-25 03:35:22
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● 2026-06-25 05:39:46
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● 2026-06-25 20:48:04
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● 2026-06-26 02:46:52
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● 2026-06-26 14:07:30
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● 2026-06-26 19:17:30
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● 2026-06-27 08:41:30
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● 2026-06-27 12:53:20
○ 2026-06-27 13:50:12
● 2026-06-28 09:19:56
○ 2026-06-28 10:03:12
● 2026-06-29 04:19:58
○ 2026-06-29 04:52:44
● 2026-06-29 06:13:58
○ 2026-06-29 08:00:24
● 2026-06-29 15:02:04
○ 2026-06-29 19:02:28
● 2026-06-29 20:36:14
○ 2026-06-29 21:39:18
● 2026-06-29 23:39:44
○ 2026-06-30 00:47:20
● 2026-07-01 18:00:22
○ 2026-07-02 21:27:38
○ 2026-07-26 00:56:32

○A99.84.132.402026-04-01 → 2026-07-01 · 59 obs

○A99.84.132.462026-04-01 → 2026-07-01 · 59 obs

○A99.84.132.692026-04-01 → 2026-07-01 · 59 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	f.dns.kr, d.dns.kr, c.dns.kr, b.dns.kr...	-
programmers.co.kr	ns-1140.awsdns-14.org, ns-455.awsdns-56.com, ns-543.awsdns-03.net, ns-1583.awsdns-05.co.uk	-

✅ Authoritative Response

Server:205.251.198.47

NS records: ns-1140.awsdns-14.org, ns-455.awsdns-56.com, ns-543.awsdns-03.net, ns-1583.awsdns-05.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1435ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.112, 13.35.107.29...`
NS	4	`ns-1140.awsdns-14.org, ns-1583.awsdns-05.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	5	`google-site-verification=DCdNDRozpd-fo_e, google-site-verification=GY5VnXCKUyvE6YE...`
SOA	1	`ns-1583.awsdns-05.co.uk awsdns-hostmaste`

Analysis

Hierarchy

The domain programmers.co.kr is a parent of www.programmers.co.kr, school.programmers.co.kr, community.programmers.co.kr and campus.programmers.co.kr.

IP Addresses

programmers.co.kr directs to four IP numbers, which are 13.35.107.20, 13.35.107.29, 13.35.107.66 and 13.35.107.112.

Name Servers

The NS records for programmers.co.kr point to four name servers: ns-455.awsdns-56.com, ns-543.awsdns-03.net, ns-1140.awsdns-14.org and ns-1583.awsdns-05.co.uk.

At least some of programmers.co.kr's name servers are shared with other domains, for example solo-ielts-toefl.com, uclibs.org, experience-muse.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns-396.awsdns-49.com, ns-701.awsdns-23.net and ns-1041.awsdns-02.org.

Four hostnames, each resolving to a pair of IP addresses: ns-455.awsdns-56.com directs to 205.251.193.199 and 2600:9000:5301:c700::1; ns-543.awsdns-03.net directs to 205.251.194.31 and 2600:9000:5302:1f00::1; ns-1140.awsdns-14.org directs to 205.251.196.116 and 2600:9000:5304:7400::1; ns-1583.awsdns-05.co.uk directs to 205.251.198.47 and 2600:9000:5306:2f00::1.

Mail Servers

Five mail servers handle programmers.co.kr: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between programmers.co.kr and other domains, including awsinc.net, bnbprofits.com, ns500821.ns500794.ns500821.ns500841.ns500794.ns500795.ns500821.ns500794.ns500821.ns500794.ns500821.ns500795.lustypartnersfinder.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to two addresses: 192.178.155.27 and 2607:f8b0:4004:c27::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.26 IP addresses.