`authprod.knowt.com`

DNSSEC	⚠️ Not signed
A	13.227.107.7^{🇺🇸 Amazon13.227.104.0/21 - Cloudfront}
		PTR	`server-13-227-107-7.gru3.r.cloudfront.net`
A	13.227.107.43^{🇺🇸 Amazon13.227.104.0/21 - Cloudfront}
A	13.227.107.67^{🇺🇸 Amazon13.227.104.0/21 - Cloudfront}
A	13.227.107.72^{🇺🇸 Amazon13.227.104.0/21 - Cloudfront}
TXT	`cl_verification=1efb8a41-4910-4655-8eee-2cc72bd3fda1`

`knowt.com`

	DNSSEC	⚠️ Not signed
	A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
	NS	`ns-860.awsdns-43.net` ⭐
	NS	`ns-1082.awsdns-07.org`
	NS	`ns-13.awsdns-01.com`
	NS	`ns-1910.awsdns-46.co.uk`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`google-site-verification=mFRkOaLI0zPRNbhTQOgTcOjxxUd_bUR26Ywod7bHycc`
	TXT	`stripe-verification=b0b3f41d32e71fc00ec3594b2824903a4ed860402d0e993fec030f372...`
	TXT	`v=spf1 include:_spf.google.com include:amazonses.com ~all`
	TXT	`yandex-verification: 6844941cc1355af3`
	SOA	`ns-860.awsdns-43.net`awsdns-hostmaster@amazon.com serial=1

rank #118796 globally
rank #52936 in the tld
📈 Tranco rank: #76,027

DNS History

44 records (4 active, 40 former)

●A13.227.107.432026-03-28 → 2026-04-06 · 45 obs

○ 2026-03-28 12:34:16
● 2026-03-28 14:28:08
● 2026-03-29 12:34:48
○ 2026-03-29 15:13:28
● 2026-03-29 18:28:54
○ 2026-03-29 22:51:08
● 2026-03-30 01:28:22
● 2026-03-30 12:56:34
○ 2026-03-30 15:22:26
○ 2026-03-30 21:42:32
● 2026-03-31 00:15:12
○ 2026-03-31 01:26:18
○ 2026-03-31 04:09:56
● 2026-03-31 07:02:38
● 2026-04-01 00:13:54
○ 2026-04-01 02:00:52
● 2026-04-01 07:09:12
○ 2026-04-01 12:11:16
○ 2026-04-02 03:58:42
● 2026-04-02 07:01:42
○ 2026-04-02 08:41:46
○ 2026-04-02 10:15:58
● 2026-04-02 12:51:36
○ 2026-04-02 18:43:46
○ 2026-04-03 04:50:02
● 2026-04-03 06:58:24
○ 2026-04-03 12:42:10
○ 2026-04-04 00:04:48
● 2026-04-04 01:18:58
○ 2026-04-04 03:23:46
● 2026-04-04 06:49:28
● 2026-04-04 08:40:50
○ 2026-04-04 12:10:06
○ 2026-04-04 23:28:28
● 2026-04-05 00:15:44
○ 2026-04-05 01:28:28
● 2026-04-05 06:56:00
○ 2026-04-05 11:51:32
○ 2026-04-05 15:34:10
● 2026-04-05 18:30:24
○ 2026-04-05 19:04:04
○ 2026-04-05 21:57:46
● 2026-04-06 00:15:12
○ 2026-04-06 01:29:58
● 2026-04-06 04:04:20

●A13.227.107.672026-03-28 → 2026-04-06 · 45 obs

●A13.227.107.72026-03-28 → 2026-04-06 · 45 obs

●A13.227.107.722026-03-28 → 2026-04-06 · 45 obs

○A18.165.140.1062026-03-24 → 2026-03-25 · 11 obs

○ 2026-03-24 17:38:22
● 2026-03-24 18:23:18
● 2026-03-24 20:01:30
○ 2026-03-24 20:42:30
○ 2026-03-25 01:03:58
● 2026-03-25 06:17:08
● 2026-03-25 08:05:44
○ 2026-03-25 10:16:42
● 2026-03-25 11:30:24
○ 2026-03-25 12:02:24
○ 2026-04-06 04:04:20

○A18.165.140.122026-03-24 → 2026-03-25 · 11 obs

○A18.165.140.322026-03-24 → 2026-03-25 · 11 obs

○A18.165.140.502026-03-24 → 2026-03-25 · 11 obs

○A18.238.80.1272026-03-14 → 2026-03-29 · 8 obs

○ 2026-03-14 03:55:18
● 2026-03-14 07:50:58
● 2026-03-14 14:58:06
○ 2026-03-14 18:42:12
○ 2026-03-29 12:34:48
● 2026-03-29 15:13:28
○ 2026-03-29 18:28:54
○ 2026-04-06 04:04:20

○A18.238.80.1282026-03-14 → 2026-03-29 · 8 obs

○ 2026-03-14 03:55:18
● 2026-03-14 07:50:58
● 2026-03-14 14:58:06
○ 2026-03-14 18:42:12
○ 2026-03-29 12:34:48
● 2026-03-29 15:13:28
○ 2026-03-29 18:28:54
○ 2026-04-06 04:04:20

○A18.238.80.62026-03-14 → 2026-03-29 · 8 obs

○ 2026-03-14 03:55:18
● 2026-03-14 07:50:58
● 2026-03-14 14:58:06
○ 2026-03-14 18:42:12
○ 2026-03-29 12:34:48
● 2026-03-29 15:13:28
○ 2026-03-29 18:28:54
○ 2026-04-06 04:04:20

○A18.238.80.742026-03-14 → 2026-03-29 · 8 obs

○ 2026-03-14 03:55:18
● 2026-03-14 07:50:58
● 2026-03-14 14:58:06
○ 2026-03-14 18:42:12
○ 2026-03-29 12:34:48
● 2026-03-29 15:13:28
○ 2026-03-29 18:28:54
○ 2026-04-06 04:04:20

○A18.244.124.142026-03-03 → 2026-04-05 · 115 obs

○ 2026-03-03 10:14:28
● 2026-03-03 14:48:00
● 2026-03-05 19:30:24
○ 2026-03-07 02:57:28
● 2026-03-08 06:36:18
○ 2026-03-09 10:06:42
● 2026-03-09 12:06:38
○ 2026-03-09 19:54:20
● 2026-03-10 03:01:26
○ 2026-03-10 05:00:34
○ 2026-03-10 14:36:10
● 2026-03-11 07:10:40
○ 2026-03-11 07:58:02
○ 2026-03-12 19:42:32
● 2026-03-12 22:36:54
● 2026-03-13 01:43:34
○ 2026-03-13 08:00:12
○ 2026-03-13 19:47:54
● 2026-03-13 21:23:00
○ 2026-03-14 02:33:20
○ 2026-03-14 21:04:36
● 2026-03-14 23:56:04
○ 2026-03-15 05:44:26
○ 2026-03-15 19:18:50
● 2026-03-15 23:54:24
○ 2026-03-16 04:42:40
○ 2026-03-16 20:46:58
● 2026-03-17 04:20:44
○ 2026-03-17 08:06:22
○ 2026-03-17 10:26:02
● 2026-03-17 18:13:16
○ 2026-03-17 19:20:24
○ 2026-03-18 15:55:58
● 2026-03-18 19:08:48
○ 2026-03-18 19:55:02
● 2026-03-18 22:47:34
○ 2026-03-18 23:51:26
○ 2026-03-19 15:08:48
● 2026-03-19 16:35:28
○ 2026-03-19 19:55:54
○ 2026-03-21 07:46:28
● 2026-03-21 08:42:30
○ 2026-03-21 13:54:26
○ 2026-03-22 13:55:58
● 2026-03-22 16:39:44
○ 2026-03-22 19:05:44
● 2026-03-23 03:46:40
○ 2026-03-23 05:47:22
○ 2026-03-23 08:38:14
● 2026-03-23 11:35:36
○ 2026-03-23 15:40:14
○ 2026-03-23 20:38:48
● 2026-03-24 03:46:04
○ 2026-03-24 05:15:22
○ 2026-03-24 15:45:58
● 2026-03-24 17:38:22
○ 2026-03-24 18:23:18
○ 2026-03-24 20:01:30
● 2026-03-24 20:42:30
● 2026-03-25 01:03:58
○ 2026-03-25 06:17:08
○ 2026-03-25 08:05:44
● 2026-03-25 10:16:42
○ 2026-03-25 11:30:24
● 2026-03-25 12:02:24
● 2026-03-25 14:37:46
○ 2026-03-25 15:49:36
○ 2026-03-26 15:58:40
● 2026-03-27 02:35:16
○ 2026-03-27 12:16:32
○ 2026-03-29 18:28:54
● 2026-03-29 22:51:08
○ 2026-03-30 01:28:22
○ 2026-03-30 12:56:34
● 2026-03-30 15:22:26
○ 2026-03-30 18:47:56
○ 2026-03-30 19:47:52
● 2026-03-30 21:42:32
○ 2026-03-31 00:15:12
○ 2026-03-31 01:26:18
● 2026-03-31 04:09:56
○ 2026-03-31 07:02:38
○ 2026-04-01 00:13:54
● 2026-04-01 02:00:52
○ 2026-04-01 07:09:12
● 2026-04-01 12:11:16
○ 2026-04-01 12:57:50
○ 2026-04-02 01:22:22
● 2026-04-02 03:26:56
○ 2026-04-02 03:58:42
○ 2026-04-02 07:01:42
● 2026-04-02 08:41:46
○ 2026-04-02 10:15:58
○ 2026-04-02 18:43:46
● 2026-04-02 20:23:56
● 2026-04-03 04:50:02
○ 2026-04-03 06:58:24
○ 2026-04-03 12:42:10
● 2026-04-03 18:12:56
● 2026-04-04 00:04:48
○ 2026-04-04 01:18:58
● 2026-04-04 03:23:46
○ 2026-04-04 06:49:28
○ 2026-04-04 08:40:50
● 2026-04-04 12:10:06
○ 2026-04-04 18:29:18
● 2026-04-04 23:28:28
○ 2026-04-05 00:15:44
○ 2026-04-05 11:51:32
● 2026-04-05 15:34:10
○ 2026-04-05 18:30:24
● 2026-04-05 19:04:04
● 2026-04-05 21:05:32
○ 2026-04-05 21:57:46
○ 2026-04-06 04:04:20

○A18.244.124.262026-03-03 → 2026-04-05 · 115 obs

○A18.244.124.452026-03-03 → 2026-04-05 · 115 obs

○A18.244.124.82026-03-03 → 2026-04-05 · 115 obs

○A216.137.39.402026-02-21 → 2026-03-22 · 47 obs

● 2026-02-21 13:52:54
○ 2026-02-21 15:55:08
○ 2026-03-01 05:47:52
● 2026-03-03 10:14:28
○ 2026-03-03 14:48:00
○ 2026-03-10 09:55:54
● 2026-03-10 14:36:10
○ 2026-03-11 07:10:40
○ 2026-03-11 19:53:44
● 2026-03-12 05:07:32
● 2026-03-12 07:09:56
○ 2026-03-12 07:59:18
○ 2026-03-13 01:43:34
● 2026-03-13 08:00:12
○ 2026-03-13 14:28:10
● 2026-03-13 19:47:54
○ 2026-03-13 21:23:00
● 2026-03-14 02:33:20
● 2026-03-14 03:55:18
○ 2026-03-14 07:50:58
○ 2026-03-14 23:56:04
● 2026-03-15 05:44:26
○ 2026-03-15 07:56:00
○ 2026-03-16 12:00:44
● 2026-03-16 15:49:06
● 2026-03-16 20:46:58
○ 2026-03-17 04:20:44
○ 2026-03-17 18:13:16
● 2026-03-17 19:20:24
○ 2026-03-17 20:01:38
○ 2026-03-18 05:20:20
● 2026-03-18 08:05:22
○ 2026-03-18 15:55:58
○ 2026-03-19 14:38:42
● 2026-03-19 15:08:48
○ 2026-03-19 16:35:28
○ 2026-03-20 07:58:50
● 2026-03-20 11:06:06
● 2026-03-20 18:50:16
○ 2026-03-20 19:50:34
○ 2026-03-21 13:54:26
● 2026-03-21 19:03:58
○ 2026-03-22 01:20:26
○ 2026-03-22 07:52:00
● 2026-03-22 13:55:58
○ 2026-03-22 16:39:44
○ 2026-04-06 04:04:20

○A216.137.39.672026-02-21 → 2026-03-22 · 47 obs

○A216.137.39.752026-02-21 → 2026-03-22 · 47 obs

○A216.137.39.842026-02-21 → 2026-03-22 · 47 obs

○A3.162.103.1122026-02-21 → 2026-03-28 · 84 obs

○ 2026-02-21 13:52:54
● 2026-02-21 15:55:08
● 2026-03-01 05:47:52
○ 2026-03-03 10:14:28
○ 2026-03-05 19:30:24
● 2026-03-07 02:57:28
○ 2026-03-08 06:36:18
○ 2026-03-09 12:06:38
● 2026-03-09 19:54:20
○ 2026-03-10 03:01:26
● 2026-03-10 05:00:34
● 2026-03-10 09:55:54
○ 2026-03-10 14:36:10
○ 2026-03-11 07:10:40
● 2026-03-11 07:58:02
● 2026-03-11 19:53:44
○ 2026-03-12 05:07:32
○ 2026-03-12 07:09:56
● 2026-03-12 07:59:18
● 2026-03-12 19:42:32
○ 2026-03-12 22:36:54
○ 2026-03-13 08:00:12
● 2026-03-13 14:28:10
○ 2026-03-13 19:47:54
○ 2026-03-14 14:58:06
● 2026-03-14 18:42:12
● 2026-03-14 21:04:36
○ 2026-03-14 23:56:04
○ 2026-03-15 05:44:26
● 2026-03-15 07:56:00
● 2026-03-15 19:18:50
○ 2026-03-15 23:54:24
● 2026-03-16 04:42:40
● 2026-03-16 12:00:44
○ 2026-03-16 15:49:06
○ 2026-03-17 04:20:44
● 2026-03-17 08:06:22
● 2026-03-17 10:26:02
○ 2026-03-17 18:13:16
○ 2026-03-17 19:20:24
● 2026-03-17 20:01:38
● 2026-03-18 05:20:20
○ 2026-03-18 08:05:22
● 2026-03-18 15:55:58
○ 2026-03-18 19:08:48
● 2026-03-18 19:55:02
○ 2026-03-18 22:47:34
● 2026-03-18 23:51:26
● 2026-03-19 14:38:42
○ 2026-03-19 15:08:48
○ 2026-03-19 16:35:28
● 2026-03-19 19:55:54
● 2026-03-20 07:58:50
○ 2026-03-20 11:06:06
○ 2026-03-20 18:50:16
● 2026-03-20 19:50:34
● 2026-03-21 07:46:28
○ 2026-03-21 08:42:30
● 2026-03-21 13:54:26
○ 2026-03-21 19:03:58
○ 2026-03-22 01:20:26
● 2026-03-22 05:12:06
● 2026-03-22 07:52:00
○ 2026-03-22 13:55:58
○ 2026-03-22 16:39:44
● 2026-03-22 19:05:44
○ 2026-03-23 03:46:40
● 2026-03-23 05:47:22
● 2026-03-23 08:38:14
○ 2026-03-23 11:35:36
● 2026-03-23 15:40:14
● 2026-03-23 20:38:48
○ 2026-03-24 03:46:04
● 2026-03-24 05:15:22
● 2026-03-24 15:45:58
○ 2026-03-24 17:38:22
○ 2026-03-25 14:37:46
● 2026-03-25 15:49:36
● 2026-03-26 15:58:40
○ 2026-03-27 02:35:16
● 2026-03-27 12:16:32
● 2026-03-28 12:34:16
○ 2026-03-28 14:28:08
○ 2026-04-06 04:04:20

○A3.162.103.132026-02-21 → 2026-03-28 · 84 obs

○A3.162.103.372026-02-21 → 2026-03-28 · 84 obs

○A3.162.103.892026-02-21 → 2026-03-28 · 84 obs

○A3.162.185.1042026-03-30 → 2026-04-05 · 8 obs

○ 2026-03-30 15:22:26
● 2026-03-30 18:47:56
● 2026-03-30 19:47:52
○ 2026-03-30 21:42:32
○ 2026-04-05 21:05:32
● 2026-04-05 21:57:46
○ 2026-04-06 00:15:12
○ 2026-04-06 04:04:20

○A3.162.185.1092026-03-30 → 2026-04-05 · 8 obs

○ 2026-03-30 15:22:26
● 2026-03-30 18:47:56
● 2026-03-30 19:47:52
○ 2026-03-30 21:42:32
○ 2026-04-05 21:05:32
● 2026-04-05 21:57:46
○ 2026-04-06 00:15:12
○ 2026-04-06 04:04:20

○A3.162.185.222026-03-30 → 2026-04-05 · 8 obs

○ 2026-03-30 15:22:26
● 2026-03-30 18:47:56
● 2026-03-30 19:47:52
○ 2026-03-30 21:42:32
○ 2026-04-05 21:05:32
● 2026-04-05 21:57:46
○ 2026-04-06 00:15:12
○ 2026-04-06 04:04:20

○A3.162.185.722026-03-30 → 2026-04-05 · 8 obs

○ 2026-03-30 15:22:26
● 2026-03-30 18:47:56
● 2026-03-30 19:47:52
○ 2026-03-30 21:42:32
○ 2026-04-05 21:05:32
● 2026-04-05 21:57:46
○ 2026-04-06 00:15:12
○ 2026-04-06 04:04:20

○A3.165.181.22026-03-31 → 2026-04-06 · 28 obs

○ 2026-03-31 00:15:12
● 2026-03-31 01:26:18
○ 2026-03-31 04:09:56
○ 2026-04-01 12:11:16
● 2026-04-01 12:57:50
○ 2026-04-01 18:47:42
● 2026-04-01 22:14:24
○ 2026-04-02 01:22:22
○ 2026-04-02 03:26:56
● 2026-04-02 03:58:42
○ 2026-04-02 07:01:42
○ 2026-04-02 08:41:46
● 2026-04-02 10:15:58
○ 2026-04-02 12:51:36
● 2026-04-02 18:43:46
○ 2026-04-02 20:23:56
○ 2026-04-03 06:58:24
● 2026-04-03 12:42:10
○ 2026-04-03 18:12:56
○ 2026-04-04 12:10:06
● 2026-04-04 18:29:18
○ 2026-04-04 23:28:28
○ 2026-04-05 06:56:00
● 2026-04-05 11:51:32
○ 2026-04-05 15:34:10
○ 2026-04-06 00:15:12
● 2026-04-06 01:29:58
○ 2026-04-06 04:04:20

○A3.165.181.782026-03-31 → 2026-04-06 · 28 obs

○A3.165.181.862026-03-31 → 2026-04-06 · 28 obs

○A3.165.181.952026-03-31 → 2026-04-06 · 28 obs

○A3.165.232.1092026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 19:03:58
● 2026-03-22 01:20:26
○ 2026-03-22 05:12:06
○ 2026-04-06 04:04:20

○A3.165.232.182026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 19:03:58
● 2026-03-22 01:20:26
○ 2026-03-22 05:12:06
○ 2026-04-06 04:04:20

○A3.165.232.552026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 19:03:58
● 2026-03-22 01:20:26
○ 2026-03-22 05:12:06
○ 2026-04-06 04:04:20

○A3.165.232.712026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 19:03:58
● 2026-03-22 01:20:26
○ 2026-03-22 05:12:06
○ 2026-04-06 04:04:20

○A3.170.42.112026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:18
● 2026-03-09 10:06:42
○ 2026-03-09 12:06:38
○ 2026-04-06 04:04:20

○A3.170.42.122026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:18
● 2026-03-09 10:06:42
○ 2026-03-09 12:06:38
○ 2026-04-06 04:04:20

○A3.170.42.172026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:18
● 2026-03-09 10:06:42
○ 2026-03-09 12:06:38
○ 2026-04-06 04:04:20

○A3.170.42.602026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 06:36:18
● 2026-03-09 10:06:42
○ 2026-03-09 12:06:38
○ 2026-04-06 04:04:20

○A3.174.59.522026-04-01 → 2026-04-05 · 9 obs

○ 2026-04-01 12:57:50
● 2026-04-01 18:47:42
○ 2026-04-01 22:14:24
● 2026-04-02 01:22:22
○ 2026-04-02 03:26:56
○ 2026-04-05 00:15:44
● 2026-04-05 01:28:28
○ 2026-04-05 06:56:00
○ 2026-04-06 04:04:20

○A3.174.59.682026-04-01 → 2026-04-05 · 9 obs

○A3.174.59.732026-04-01 → 2026-04-05 · 9 obs

○A3.174.59.892026-04-01 → 2026-04-05 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
knowt.com	ns-13.awsdns-01.com, ns-860.awsdns-43.net, ns-1082.awsdns-07.org, ns-1910.awsdns-46.co.uk	1 record

✅ Authoritative Response

Server:205.251.196.58

NS records: ns-13.awsdns-01.com, ns-860.awsdns-43.net, ns-1082.awsdns-07.org, ns-1910.awsdns-46.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowt.com (unsigned zone)

⏱️ Timing

Total: 522ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.227.107.72, 13.227.107.43...`
TXT	1	`cl_verification=1efb8a41-4910-4655-8eee-`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-13.awsdns-01.com)

Analysis

IP Addresses

authprod.knowt.com maps to four IP numbers: 13.227.107.7, 13.227.107.43, 13.227.107.67 and 13.227.107.72.

Other host names, for instance www.sukusuku.com, krishivikas.com, d2rsaq8c3rtkli.cloudfront.net, www.krissagi.gr and d1p4luak1h8ptn.cloudfront.net share IP numbers with authprod.knowt.com.

authprod.knowt.com - robtex.com