kc-learning.com - dns.ninja

`kc-learning.com`

DNSSEC	⚠️ Not signed
A	13.226.209.3^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
		PTR	`server-13-226-209-3.iad61.r.cloudfront.net`
A	13.226.209.37^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.41^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.50^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
NS	`ns-1520.awsdns-62.org` ⭐
		A	2600:9000:5305:f000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1520.awsdns-62.org`
		A	205.251.197.240^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1520.awsdns-62.org`
NS	`ns-1978.awsdns-55.co.uk`
		A	2600:9000:5307:ba00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1978.awsdns-55.co.uk`
		A	205.251.199.186^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1978.awsdns-55.co.uk`
NS	`ns-272.awsdns-34.com`
		A	2600:9000:5301:1000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-272.awsdns-34.com`
		A	205.251.193.16^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-272.awsdns-34.com`
NS	`ns-739.awsdns-28.net`
		A	2600:9000:5302:e300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-739.awsdns-28.net`
		A	205.251.194.227^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-739.awsdns-28.net`
TXT	`google-site-verification=uau9vLTJIclSGK50lJhutxCj1hhLasuDDtGXFxCr2z4`
SOA	`ns-1520.awsdns-62.org`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=1785971519

Previously MX for

kc-learning.com

Same first word

kc-learning.com

Similar names

kr-cleaning.com

DNS History

88 records (8 active, 80 former)

●NSns-1520.awsdns-62.org2026-02-15 → 2026-08-05 · 3 obs

○ 2017-11-13 15:36:28
● 2026-02-15 09:02:38
● 2026-08-05 23:39:32

●NSns-1978.awsdns-55.co.uk2026-02-15 → 2026-08-05 · 3 obs

○ 2017-11-13 15:36:28
● 2026-02-15 09:02:38
● 2026-08-05 23:39:32

●NSns-272.awsdns-34.com2026-02-15 → 2026-08-05 · 3 obs

○ 2017-11-13 15:36:28
● 2026-02-15 09:02:38
● 2026-08-05 23:39:32

●NSns-739.awsdns-28.net2026-02-15 → 2026-08-05 · 3 obs

○ 2017-11-13 15:36:28
● 2026-02-15 09:02:38
● 2026-08-05 23:39:32

○NSns1.kc-learing.com2015-06-17 → 2017-11-13 · 4 obs

● 2015-06-17 06:50:34
● 2017-11-13 15:36:28
○ 2026-02-15 09:02:38
○ 2026-08-05 23:39:32

○NSns1.kc-learning.com2015-06-17 → 2017-11-13 · 4 obs

● 2015-06-17 06:50:34
● 2017-11-13 15:36:28
○ 2026-02-15 09:02:38
○ 2026-08-05 23:39:32

○MXkc-learning.com2015-06-17 → 2026-02-17 · 4 obs

● 2015-06-17 06:50:34
● 2026-02-17 05:03:52
○ 2026-02-17 11:05:36
○ 2026-08-05 23:39:32

○A108.156.22.1062026-03-24 → 2026-07-18 · 20 obs

○ 2026-03-23 03:33:24
● 2026-03-24 11:52:40
○ 2026-03-24 13:26:26
○ 2026-03-24 17:35:46
● 2026-03-24 22:14:00
○ 2026-03-25 00:12:50
○ 2026-03-27 03:23:06
● 2026-07-13 16:28:36
● 2026-07-14 00:58:38
○ 2026-07-14 07:14:20
● 2026-07-14 20:57:56
○ 2026-07-15 04:03:06
● 2026-07-15 09:47:06
○ 2026-07-15 17:13:16
○ 2026-07-16 12:12:46
● 2026-07-17 01:01:22
○ 2026-07-17 02:18:58
● 2026-07-18 19:24:16
○ 2026-07-18 21:29:02
○ 2026-08-05 23:39:32

○A108.156.22.542026-03-24 → 2026-07-18 · 20 obs

○A108.156.22.642026-03-24 → 2026-07-18 · 20 obs

○A108.156.22.892026-03-24 → 2026-07-18 · 20 obs

○A13.225.205.162026-04-02 → 2026-07-30 · 24 obs

○ 2026-04-02 02:05:44
● 2026-04-02 19:39:32
○ 2026-04-04 05:48:36
○ 2026-05-02 12:43:56
● 2026-05-05 11:27:30
○ 2026-05-06 15:48:52
○ 2026-05-20 20:55:56
● 2026-05-21 02:29:02
○ 2026-05-22 09:41:44
○ 2026-05-22 23:28:58
● 2026-06-23 07:37:40
○ 2026-06-24 08:21:08
○ 2026-06-28 05:08:52
● 2026-06-29 15:08:56
○ 2026-06-29 17:32:04
● 2026-07-02 11:01:44
○ 2026-07-02 20:09:06
● 2026-07-30 03:29:24
○ 2026-07-30 04:07:24
● 2026-07-30 07:41:10
○ 2026-07-30 10:45:28
● 2026-07-30 12:00:38
○ 2026-07-30 18:37:18
○ 2026-08-05 23:39:32

○A13.225.205.332026-04-02 → 2026-07-30 · 24 obs

○A13.225.205.392026-04-02 → 2026-07-30 · 24 obs

○A13.225.205.692026-04-02 → 2026-07-30 · 24 obs

○A13.226.144.1152026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 19:39:32
● 2026-04-04 05:48:36
○ 2026-04-05 01:46:06
○ 2026-08-05 23:39:32

○A13.226.144.322026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 19:39:32
● 2026-04-04 05:48:36
○ 2026-04-05 01:46:06
○ 2026-08-05 23:39:32

○A13.226.144.622026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 19:39:32
● 2026-04-04 05:48:36
○ 2026-04-05 01:46:06
○ 2026-08-05 23:39:32

○A13.226.144.672026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 19:39:32
● 2026-04-04 05:48:36
○ 2026-04-05 01:46:06
○ 2026-08-05 23:39:32

●A13.226.209.32026-02-16 → 2026-08-05 · 25 obs

○ 2026-02-16 16:52:20
● 2026-02-16 21:50:22
○ 2026-02-16 22:54:52
● 2026-02-17 00:09:36
● 2026-02-17 03:51:34
○ 2026-02-17 11:05:36
○ 2026-06-08 23:18:08
● 2026-06-13 01:40:50
○ 2026-06-13 02:51:04
○ 2026-06-17 13:00:48
● 2026-06-22 01:23:46
● 2026-06-26 19:45:28
○ 2026-06-28 10:23:38
○ 2026-06-30 09:45:44
● 2026-07-08 01:04:36
● 2026-07-09 18:23:18
○ 2026-07-09 19:35:08
● 2026-07-10 13:18:24
○ 2026-07-10 17:29:02
● 2026-07-30 01:23:46
○ 2026-07-30 02:10:32
● 2026-08-04 16:45:40
○ 2026-08-04 17:19:10
● 2026-08-05 23:39:28
● 2026-08-05 23:39:32

●A13.226.209.372026-02-16 → 2026-08-05 · 25 obs

●A13.226.209.412026-02-16 → 2026-08-05 · 25 obs

●A13.226.209.502026-02-16 → 2026-08-05 · 25 obs

○A13.249.180.1062026-07-20 → 2026-07-29 · 18 obs

○ 2026-07-19 00:43:34
● 2026-07-20 09:15:12
○ 2026-07-20 10:28:22
● 2026-07-26 23:11:48
○ 2026-07-27 00:42:36
● 2026-07-28 08:37:10
○ 2026-07-28 12:48:26
● 2026-07-28 18:13:24
○ 2026-07-28 21:45:02
● 2026-07-28 22:21:06
○ 2026-07-29 01:05:54
● 2026-07-29 04:14:38
○ 2026-07-29 05:47:14
● 2026-07-29 06:55:58
○ 2026-07-29 16:57:12
● 2026-07-29 18:22:54
○ 2026-07-29 20:16:22
○ 2026-08-05 23:39:32

○A13.249.180.532026-07-20 → 2026-07-29 · 18 obs

○A13.249.180.722026-07-20 → 2026-07-29 · 18 obs

○A13.249.180.802026-07-20 → 2026-07-29 · 18 obs

○A13.33.82.1172026-04-29 → 2026-08-02 · 21 obs

○ 2026-04-27 00:55:52
● 2026-04-29 11:00:10
○ 2026-04-29 14:58:38
○ 2026-05-06 15:48:52
● 2026-05-06 23:16:38
○ 2026-05-07 04:05:40
● 2026-05-07 19:22:52
● 2026-05-08 00:19:28
○ 2026-05-08 01:47:38
○ 2026-05-08 04:01:32
● 2026-05-08 10:38:48
○ 2026-05-08 15:31:30
○ 2026-05-09 01:04:16
● 2026-05-09 05:01:08
○ 2026-05-09 07:06:40
○ 2026-05-09 09:18:52
● 2026-05-09 11:05:20
○ 2026-05-09 11:39:24
● 2026-08-02 11:16:46
○ 2026-08-02 19:49:50
○ 2026-08-05 23:39:32

○A13.33.82.152026-04-29 → 2026-08-02 · 21 obs

○A13.33.82.492026-04-29 → 2026-08-02 · 21 obs

○A13.33.82.592026-04-29 → 2026-08-02 · 21 obs

○A158.199.140.1152015-06-17 → 2017-11-13 · 4 obs

● 2015-06-17 06:50:34
● 2017-11-13 15:36:28
○ 2026-02-15 09:02:38
○ 2026-08-05 23:39:32

○A18.161.111.1092026-05-28 → 2026-06-01 · 7 obs

○ 2026-05-27 20:16:52
● 2026-05-28 09:55:56
○ 2026-05-28 21:49:44
○ 2026-05-30 12:50:16
● 2026-06-01 11:37:18
○ 2026-06-02 01:51:14
○ 2026-08-05 23:39:32

○A18.161.111.542026-05-28 → 2026-06-01 · 7 obs

○ 2026-05-27 20:16:52
● 2026-05-28 09:55:56
○ 2026-05-28 21:49:44
○ 2026-05-30 12:50:16
● 2026-06-01 11:37:18
○ 2026-06-02 01:51:14
○ 2026-08-05 23:39:32

○A18.161.111.602026-05-28 → 2026-06-01 · 7 obs

○ 2026-05-27 20:16:52
● 2026-05-28 09:55:56
○ 2026-05-28 21:49:44
○ 2026-05-30 12:50:16
● 2026-06-01 11:37:18
○ 2026-06-02 01:51:14
○ 2026-08-05 23:39:32

○A18.161.111.952026-05-28 → 2026-06-01 · 7 obs

○ 2026-05-27 20:16:52
● 2026-05-28 09:55:56
○ 2026-05-28 21:49:44
○ 2026-05-30 12:50:16
● 2026-06-01 11:37:18
○ 2026-06-02 01:51:14
○ 2026-08-05 23:39:32

○A18.238.4.102026-05-09 → 2026-08-01 · 38 obs

○ 2026-05-08 15:31:30
● 2026-05-09 00:25:40
● 2026-05-09 01:04:16
○ 2026-05-09 05:01:08
● 2026-07-12 18:55:40
● 2026-07-13 20:18:34
○ 2026-07-14 20:57:56
● 2026-07-16 07:35:04
○ 2026-07-17 03:29:18
● 2026-07-20 14:49:24
○ 2026-07-20 15:25:34
● 2026-07-21 23:06:24
○ 2026-07-22 02:40:30
● 2026-07-24 17:06:44
○ 2026-07-25 13:59:26
● 2026-07-26 03:59:34
○ 2026-07-26 09:07:26
● 2026-07-26 13:00:46
○ 2026-07-26 15:28:50
● 2026-07-27 00:42:36
○ 2026-07-27 01:28:38
● 2026-07-27 03:46:52
○ 2026-07-27 04:36:04
● 2026-07-28 05:03:34
○ 2026-07-28 05:46:40
● 2026-07-28 12:48:26
○ 2026-07-28 18:13:24
● 2026-07-28 21:45:02
○ 2026-07-28 22:21:06
● 2026-07-30 02:10:32
○ 2026-07-30 03:29:24
● 2026-07-30 04:07:24
○ 2026-07-30 07:41:10
● 2026-07-31 05:09:22
○ 2026-07-31 10:20:04
● 2026-08-01 20:40:16
○ 2026-08-02 01:16:02
○ 2026-08-05 23:39:32

○A18.238.4.542026-05-09 → 2026-08-01 · 38 obs

○A18.238.4.692026-05-09 → 2026-08-01 · 38 obs

○A18.238.4.852026-05-09 → 2026-08-01 · 38 obs

○A18.238.80.1142026-03-08 → 2026-05-22 · 20 obs

○ 2026-02-27 20:24:20
● 2026-03-08 00:11:10
○ 2026-03-08 05:03:06
● 2026-03-08 06:02:36
○ 2026-03-08 06:50:56
○ 2026-03-08 12:29:58
● 2026-03-08 19:22:18
○ 2026-03-08 21:07:58
○ 2026-05-10 22:23:04
● 2026-05-11 11:02:26
○ 2026-05-11 12:42:58
○ 2026-05-19 01:08:52
● 2026-05-19 12:33:30
○ 2026-05-20 03:40:24
○ 2026-05-20 11:01:58
● 2026-05-20 20:55:56
○ 2026-05-21 02:29:02
● 2026-05-22 09:41:44
○ 2026-05-22 13:40:56
○ 2026-08-05 23:39:32

○A18.238.80.202026-03-08 → 2026-05-22 · 20 obs

○A18.238.80.32026-03-08 → 2026-05-22 · 20 obs

○A18.238.80.332026-03-08 → 2026-05-22 · 20 obs

○A18.239.183.212026-05-10 → 2026-05-26 · 18 obs

○ 2026-05-09 13:51:50
● 2026-05-10 16:45:44
● 2026-05-10 19:42:36
○ 2026-05-10 22:23:04
○ 2026-05-12 10:35:28
● 2026-05-12 17:30:48
○ 2026-05-12 23:07:26
● 2026-05-13 15:25:58
○ 2026-05-13 23:40:32
○ 2026-05-14 10:32:42
● 2026-05-14 16:28:04
○ 2026-05-15 00:35:28
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● 2026-05-25 17:51:12
○ 2026-05-25 18:29:32
● 2026-05-26 01:14:56
○ 2026-05-26 01:46:10
○ 2026-08-05 23:39:32

○A18.239.183.402026-05-10 → 2026-05-26 · 18 obs

○A18.239.183.602026-05-10 → 2026-05-26 · 18 obs

○A18.239.183.772026-05-10 → 2026-05-26 · 18 obs

○A18.66.255.1192026-04-12 → 2026-07-23 · 18 obs

○ 2026-04-12 02:06:20
● 2026-04-12 07:14:04
● 2026-04-15 07:06:12
○ 2026-04-17 08:03:38
○ 2026-06-17 11:05:48
● 2026-06-30 23:05:38
○ 2026-07-02 11:01:44
● 2026-07-04 13:17:10
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○ 2026-07-09 18:23:18
● 2026-07-12 08:06:08
○ 2026-07-13 16:28:36
○ 2026-07-19 00:43:34
● 2026-07-20 22:19:50
○ 2026-07-21 20:26:32
● 2026-07-23 04:40:26
○ 2026-07-23 06:32:24
○ 2026-08-05 23:39:32

○A18.66.255.1262026-04-12 → 2026-07-23 · 18 obs

○A18.66.255.162026-04-12 → 2026-07-23 · 18 obs

○A18.66.255.72026-04-12 → 2026-07-23 · 18 obs

○A18.67.0.1192026-03-28 → 2026-08-04 · 44 obs

○ 2026-03-28 12:38:10
● 2026-03-28 14:25:58
○ 2026-03-28 23:41:02
○ 2026-03-31 04:58:12
● 2026-03-31 11:53:34
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● 2026-07-23 13:42:54
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● 2026-07-24 02:27:50
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● 2026-07-25 01:09:26
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● 2026-07-25 07:29:28
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● 2026-07-26 09:07:26
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● 2026-07-26 15:28:50
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● 2026-07-27 04:36:04
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● 2026-07-27 11:24:16
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● 2026-07-27 16:55:34
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● 2026-07-28 05:46:40
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● 2026-07-30 18:37:18
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● 2026-07-31 10:20:04
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● 2026-08-01 04:15:50
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● 2026-08-01 11:45:44
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● 2026-08-02 01:16:02
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● 2026-08-02 07:12:40
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● 2026-08-02 19:49:50
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● 2026-08-04 17:19:10
○ 2026-08-05 23:39:28
○ 2026-08-05 23:39:32

○A18.67.0.772026-03-28 → 2026-08-04 · 44 obs

○A18.67.0.792026-03-28 → 2026-08-04 · 44 obs

○A18.67.0.812026-03-28 → 2026-08-04 · 44 obs

○A3.162.174.1182026-05-22 → 2026-07-02 · 19 obs

○ 2026-05-22 13:40:56
● 2026-05-22 23:28:58
○ 2026-05-23 11:57:08
● 2026-05-23 12:30:42
● 2026-05-25 08:49:40
○ 2026-05-25 16:23:34
● 2026-05-26 01:46:10
● 2026-05-27 12:58:58
○ 2026-05-27 20:16:52
○ 2026-05-28 09:55:56
● 2026-05-28 21:49:44
○ 2026-05-30 03:04:42
○ 2026-06-02 01:51:14
● 2026-06-02 12:10:20
● 2026-06-05 00:17:06
○ 2026-06-07 00:11:04
● 2026-07-02 20:09:06
○ 2026-07-03 05:57:36
○ 2026-08-05 23:39:32

○A3.162.174.182026-05-22 → 2026-07-02 · 19 obs

○A3.162.174.532026-05-22 → 2026-07-02 · 19 obs

○A3.162.174.982026-05-22 → 2026-07-02 · 19 obs

○A3.166.49.1062026-02-15 → 2026-03-27 · 18 obs

○ 2017-11-13 15:36:28
● 2026-02-15 09:02:38
● 2026-02-16 02:12:26
○ 2026-02-16 03:03:28
○ 2026-02-27 14:54:54
● 2026-02-27 20:24:20
● 2026-03-11 04:58:40
○ 2026-03-14 00:09:52
● 2026-03-14 18:58:32
● 2026-03-18 02:39:00
○ 2026-03-18 19:44:04
○ 2026-03-23 00:14:06
● 2026-03-23 03:33:24
● 2026-03-27 01:44:58
○ 2026-03-27 02:30:34
● 2026-03-27 03:23:06
○ 2026-03-28 12:38:10
○ 2026-08-05 23:39:32

○A3.166.49.612026-02-15 → 2026-03-27 · 18 obs

○A3.166.49.702026-02-15 → 2026-03-27 · 18 obs

○A3.166.49.942026-02-15 → 2026-03-27 · 18 obs

○A3.168.132.132026-02-16 → 2026-08-02 · 37 obs

○ 2026-02-16 02:12:26
● 2026-02-16 03:03:28
● 2026-02-16 04:36:06
○ 2026-02-16 11:10:04
● 2026-02-16 16:17:28
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○A3.168.132.252026-02-16 → 2026-08-02 · 37 obs

○A3.168.132.452026-02-16 → 2026-08-02 · 37 obs

○A3.168.132.622026-02-16 → 2026-08-02 · 37 obs

○A3.168.147.1122026-02-23 → 2026-03-22 · 8 obs

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○A3.168.147.1152026-02-23 → 2026-03-22 · 8 obs

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○A3.168.147.32026-02-23 → 2026-03-22 · 8 obs

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○A3.168.147.582026-02-23 → 2026-03-22 · 8 obs

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○A52.85.47.1012026-03-28 → 2026-04-22 · 15 obs

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○A52.85.47.1292026-03-28 → 2026-04-22 · 15 obs

○A52.85.47.232026-03-28 → 2026-04-22 · 15 obs

○A52.85.47.352026-03-28 → 2026-04-22 · 15 obs

○A99.84.252.242026-05-09 → 2026-07-23 · 19 obs

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○A99.84.252.562026-05-09 → 2026-07-23 · 19 obs

○A99.84.252.592026-05-09 → 2026-07-23 · 19 obs

○A99.84.252.942026-05-09 → 2026-07-23 · 19 obs

○A99.86.109.1282026-07-25 → 2026-07-27 · 12 obs

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○A99.86.109.52026-07-25 → 2026-07-27 · 12 obs

○A99.86.109.682026-07-25 → 2026-07-27 · 12 obs

○A99.86.109.842026-07-25 → 2026-07-27 · 12 obs

○A99.86.12.242026-04-24 → 2026-06-30 · 18 obs

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○A99.86.12.422026-04-24 → 2026-06-30 · 18 obs

○A99.86.12.752026-04-24 → 2026-06-30 · 18 obs

○A99.86.12.962026-04-24 → 2026-06-30 · 18 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...	-
kc-learning.com	ns-272.awsdns-34.com, ns-739.awsdns-28.net, ns-1978.awsdns-55.co.uk, ns-1520.awsdns-62.org	2 records

✅ Authoritative Response

Server:205.251.197.240

NS records: ns-272.awsdns-34.com, ns-739.awsdns-28.net, ns-1978.awsdns-55.co.uk, ns-1520.awsdns-62.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kc-learning.com (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.209.3, 13.226.209.37...`
NS	4	`ns-1520.awsdns-62.org, ns-1978.awsdns-55.co.uk...`
TXT	1	`google-site-verification=uau9vLTJIclSGK5`
SOA	1	`ns-1520.awsdns-62.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-272.awsdns-34.com, ns-272.awsdns-34.com)

Analysis

IP Addresses

kc-learning.com resolves to four IP addresses: 13.226.209.3, 13.226.209.37, 13.226.209.41 and 13.226.209.50.

Two other host names, along with andrewbarraford.com, d41vbipz9qj5z.cloudfront.net and renewmycinch.com, also share IP numbers with kc-learning.com.

Name Servers

The NS records for kc-learning.com point to four name servers: ns-272.awsdns-34.com, ns-739.awsdns-28.net, ns-1520.awsdns-62.org and ns-1978.awsdns-55.co.uk.

kc-learning.com has at least partial name server overlap with other domains, such as travelcentre.us, porto-tickets.com, d2mb4f5e2hcjxx.cloudfront.net and two others.

ns-272.awsdns-34.com, ns-739.awsdns-28.net, ns-1520.awsdns-62.org and ns-1978.awsdns-55.co.uk all point to exactly two IP numbers each: ns-272.awsdns-34.com → 205.251.193.16 and 2600:9000:5301:1000::1; ns-739.awsdns-28.net → 205.251.194.227 and 2600:9000:5302:e300::1; ns-1520.awsdns-62.org → 205.251.197.240 and 2600:9000:5305:f000::1; ns-1978.awsdns-55.co.uk → 205.251.199.186 and 2600:9000:5307:ba00::1.