usask.instructure.com - dns.ninja

`usask.instructure.com`

DNSSEC	⚠️ Not signed
A	143.204.29.3^{🇺🇸 Amazon143.204.29.0/24 -Cloudfront}
		PTR	`server-143-204-29-3.atl58.r.cloudfront.net`
A	143.204.29.26^{🇺🇸 Amazon143.204.29.0/24 -Cloudfront}
A	143.204.29.33^{🇺🇸 Amazon143.204.29.0/24 -Cloudfront}
A	143.204.29.81^{🇺🇸 Amazon143.204.29.0/24 -Cloudfront}

`instructure.com`

	DNSSEC	⚠️ Not signed
	A	151.101.2.132^{🇺🇸 Fastly151.101.0.0/22}
	A	151.101.66.132^{🇺🇸 Fastly151.101.64.0/22}
	NS	`ns-2.awsdns-00.com` ⭐
	NS	`ns-1354.awsdns-41.org`
	NS	`ns-1799.awsdns-32.co.uk`
	NS	`ns-996.awsdns-60.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
	MX	`aspmx2.googlemail.com`⁽²⁰⁾
	MX	`aspmx3.googlemail.com`⁽²⁰⁾
	TXT	`2acd5847c66f4325be05af390213b8c7.instructure.com`
	TXT	`MS=ms20700021`
	TXT	`ZOOM_verify_Up1Opd4-S9ChtRORps16qw`
	TXT	`adobe-idp-site-verification=4287460e7429c97ad75b995bdef6b0d7ff1c9b541946abfaf...`
	TXT	`anthropic-domain-verification-2pz98m=hO4bmZQTC5gutJZcanKeagAWR`
	TXT	`anthropic-domain-verification-4mh4xs=A4vkPXqJIA4VVi9GAbxDEPohr`
	TXT	`anthropic-domain-verification-pz1pr3=sZkvFuBJeSdmEXoj4KJYYQW8Z`
	TXT	`anthropic-domain-verification-vz61c8=kfBobb4vvH2M9xtsZhFajtKHr`
	TXT	`apple-domain-verification=8oZZjgKWADRgkWui`
	TXT	`astro-domain-verification=cmbjhzn9b0c0h01pimts1v2h1`
	TXT	`atlassian-domain-verification=pS8CbCDhL3R1mMujl07LwhltWFcJtks8mrBa7l/1uocODR9...`
	TXT	`bugcrowd-verification=817deedf9414a9ea878ff255c42a9afa`
	TXT	`canva-site-verification=jRPvv0c9AZGTaJIIPIpfAQ`
	TXT	`canva-site-verification=jiASD5n0aNnvUnfIP1w4XA`
	TXT	`docker-verification=7555bc65-ce7a-4ed2-8028-4bf0274d2c5b`
	TXT	`docusign=1ca86ab9-2ddb-4d63-b719-4798811390ca`
	TXT	`drift-domain-verification=608941e9992460f0ccd58daa1decf1808863da188a929106582...`
	TXT	`fastly-domain-delegation-jpv3oeoqr3aouxwkbhpb-00480650-2025-07-31`
	TXT	`figma-domain-verification=848b9254b032bfe488e955a140a8a63cb345186c3c69b7200f7...`
	TXT	`google-site-verification=3SDlSr_fW_6bYm0BDDK4ZXs6I5yKtB4WyXL3GNozx8I`
	TXT	`google-site-verification=Som6bbrVvI5NLh3lTcpNSbp6_0GpFezQQ9xo6CrSHOQ`
	TXT	`google-site-verification=WSlNW84_Zm6mbOaM35pQyLJUt7-OtVXNjzXe9LT-eJI`
	TXT	`google-site-verification=bC89ByaBs616PDmJLrSUG5RS3fyA8agwCtXch9G0GL0`
	TXT	`hcp-domain-verification=24de36f1e2e1ad573ac320a62707e7ec8ac0cce2dccf7985914a8...`
	TXT	`jamf-site-verification=-bAufptjYdQAfzF-s7PBtQ`
	TXT	`m6bll7f2q2d2uidl6cq273dma0`
	TXT	`miro-verification=0ee36f655f5ce0499683c255714fcdbe990af0e0`
	TXT	`mongodb-site-verification=UyyatYgRcdnc3W9g8StgD1OK8wfcIouE`
	TXT	`onetrust-domain-verification=5ef48d8081ac4ab6adce9ed80c92f4e5`
	TXT	`openai-domain-verification=dv-wb5qFISTkDoktTMXLsDMVuZ0`
	TXT	`pendo-domain-verification=2l9wI_SzXdfdzA0ZCZUES4O0FS0`
	TXT	`sprout-social-715adb3f-6166-4bc5-b3d9-b1faf326db31`
	TXT	`v=spf1 include:_spf.google.com include:amazonses.com include:_spf.q4press.com...`
	TXT	`zapier-domain-verification-challenge=fe79b183-171c-432c-bf5d-48b3e73fd0af`
	TXT	`zoho-verification=zb08654551.zmverify.zoho.com`
	SOA	`ns-2.awsdns-00.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (87/100)
rank #1455 globally
rank #781 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,926

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DNS History

92 records (4 active, 88 former)

○A13.226.238.1102026-03-03 → 2026-07-12 · 19 obs

○ 2026-03-01 17:39:04
● 2026-03-03 01:07:28
○ 2026-03-03 10:49:42
○ 2026-03-06 20:31:36
● 2026-03-07 03:36:36
○ 2026-03-07 11:17:02
○ 2026-06-19 01:47:50
● 2026-06-21 00:35:42
○ 2026-06-23 03:43:24
○ 2026-06-29 14:12:30
● 2026-07-02 04:16:20
○ 2026-07-03 01:58:40
○ 2026-07-05 09:18:36
● 2026-07-07 14:36:32
● 2026-07-10 17:55:08
○ 2026-07-10 19:14:24
● 2026-07-12 04:49:02
○ 2026-07-12 10:04:50
○ 2026-07-28 08:41:14

○A13.226.238.1132026-03-03 → 2026-07-12 · 19 obs

○A13.226.238.132026-03-03 → 2026-07-12 · 19 obs

○A13.226.238.862026-03-03 → 2026-07-12 · 19 obs

○A13.249.126.1142026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-02 07:47:30
● 2026-07-03 01:58:40
○ 2026-07-03 02:36:16
○ 2026-07-28 08:41:14

○A13.249.126.662026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-02 07:47:30
● 2026-07-03 01:58:40
○ 2026-07-03 02:36:16
○ 2026-07-28 08:41:14

○A13.249.126.752026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-02 07:47:30
● 2026-07-03 01:58:40
○ 2026-07-03 02:36:16
○ 2026-07-28 08:41:14

○A13.249.126.892026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-02 07:47:30
● 2026-07-03 01:58:40
○ 2026-07-03 02:36:16
○ 2026-07-28 08:41:14

○A13.249.141.1162026-05-19 → 2026-07-02 · 20 obs

○ 2026-05-19 08:47:18
● 2026-05-19 11:59:10
○ 2026-05-19 14:10:42
● 2026-05-19 16:20:44
○ 2026-05-19 22:19:54
○ 2026-05-22 19:09:24
● 2026-05-23 01:00:34
● 2026-05-28 20:40:08
○ 2026-05-29 13:32:10
● 2026-05-30 11:46:24
○ 2026-05-31 14:46:22
● 2026-06-02 04:25:08
● 2026-06-08 02:49:26
○ 2026-06-08 08:53:00
● 2026-07-01 01:32:28
● 2026-07-02 03:35:28
○ 2026-07-02 04:16:20
● 2026-07-02 05:44:20
○ 2026-07-02 07:47:30
○ 2026-07-28 08:41:14

○A13.249.141.332026-05-19 → 2026-07-02 · 20 obs

○A13.249.141.482026-05-19 → 2026-07-02 · 20 obs

○A13.249.141.72026-05-19 → 2026-07-02 · 20 obs

○A13.33.131.1192026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 08:11:50
● 2026-07-14 08:52:58
○ 2026-07-14 10:58:18
○ 2026-07-28 08:41:14

○A13.33.131.22026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 08:11:50
● 2026-07-14 08:52:58
○ 2026-07-14 10:58:18
○ 2026-07-28 08:41:14

○A13.33.131.502026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 08:11:50
● 2026-07-14 08:52:58
○ 2026-07-14 10:58:18
○ 2026-07-28 08:41:14

○A13.33.131.632026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 08:11:50
● 2026-07-14 08:52:58
○ 2026-07-14 10:58:18
○ 2026-07-28 08:41:14

○A13.33.235.1112026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-25 23:39:58
● 2026-03-27 09:01:40
○ 2026-03-27 21:34:14
○ 2026-07-28 08:41:14

○A13.33.235.152026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-25 23:39:58
● 2026-03-27 09:01:40
○ 2026-03-27 21:34:14
○ 2026-07-28 08:41:14

○A13.33.235.262026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-25 23:39:58
● 2026-03-27 09:01:40
○ 2026-03-27 21:34:14
○ 2026-07-28 08:41:14

○A13.33.235.932026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-25 23:39:58
● 2026-03-27 09:01:40
○ 2026-03-27 21:34:14
○ 2026-07-28 08:41:14

○A13.35.36.22026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-23 01:00:34
● 2026-05-27 12:08:02
○ 2026-05-27 16:59:06
○ 2026-05-28 03:00:24
● 2026-05-28 03:58:42
● 2026-05-28 05:14:06
○ 2026-05-28 07:59:16
○ 2026-07-28 08:41:14

○A13.35.36.412026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-23 01:00:34
● 2026-05-27 12:08:02
○ 2026-05-27 16:59:06
○ 2026-05-28 03:00:24
● 2026-05-28 03:58:42
● 2026-05-28 05:14:06
○ 2026-05-28 07:59:16
○ 2026-07-28 08:41:14

○A13.35.36.962026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-23 01:00:34
● 2026-05-27 12:08:02
○ 2026-05-27 16:59:06
○ 2026-05-28 03:00:24
● 2026-05-28 03:58:42
● 2026-05-28 05:14:06
○ 2026-05-28 07:59:16
○ 2026-07-28 08:41:14

○A13.35.36.992026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-23 01:00:34
● 2026-05-27 12:08:02
○ 2026-05-27 16:59:06
○ 2026-05-28 03:00:24
● 2026-05-28 03:58:42
● 2026-05-28 05:14:06
○ 2026-05-28 07:59:16
○ 2026-07-28 08:41:14

●A143.204.29.262026-03-30 → 2026-07-28 · 20 obs

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

●A143.204.29.32026-03-30 → 2026-07-28 · 20 obs

●A143.204.29.332026-03-30 → 2026-07-28 · 20 obs

●A143.204.29.812026-03-30 → 2026-07-28 · 20 obs

○A18.155.107.132026-05-29 → 2026-06-03 · 20 obs

○ 2026-05-29 13:32:10
● 2026-05-29 20:59:00
○ 2026-05-29 23:21:14
○ 2026-05-30 11:46:24
● 2026-05-30 13:45:10
○ 2026-05-30 18:52:30
○ 2026-05-31 14:46:22
● 2026-05-31 18:39:26
○ 2026-05-31 20:59:02
○ 2026-05-31 22:03:22
● 2026-06-01 08:29:38
● 2026-06-01 21:57:10
○ 2026-06-02 00:52:10
○ 2026-06-02 14:21:52
● 2026-06-02 15:44:34
○ 2026-06-02 18:10:10
○ 2026-06-03 05:25:56
● 2026-06-03 06:39:26
○ 2026-06-03 09:46:16
○ 2026-07-28 08:41:14

○A18.155.107.692026-05-29 → 2026-06-03 · 20 obs

○A18.155.107.702026-05-29 → 2026-06-03 · 20 obs

○A18.155.107.802026-05-29 → 2026-06-03 · 20 obs

○A18.155.129.122026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 06:10:52
● 2026-07-25 10:53:50
○ 2026-07-25 12:26:58
● 2026-07-25 19:14:48
○ 2026-07-25 23:38:00
● 2026-07-26 11:06:22
○ 2026-07-26 15:40:56
○ 2026-07-28 08:41:14

○A18.155.129.132026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 06:10:52
● 2026-07-25 10:53:50
○ 2026-07-25 12:26:58
● 2026-07-25 19:14:48
○ 2026-07-25 23:38:00
● 2026-07-26 11:06:22
○ 2026-07-26 15:40:56
○ 2026-07-28 08:41:14

○A18.155.129.432026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 06:10:52
● 2026-07-25 10:53:50
○ 2026-07-25 12:26:58
● 2026-07-25 19:14:48
○ 2026-07-25 23:38:00
● 2026-07-26 11:06:22
○ 2026-07-26 15:40:56
○ 2026-07-28 08:41:14

○A18.155.129.582026-07-25 → 2026-07-26 · 8 obs

○ 2026-07-25 06:10:52
● 2026-07-25 10:53:50
○ 2026-07-25 12:26:58
● 2026-07-25 19:14:48
○ 2026-07-25 23:38:00
● 2026-07-26 11:06:22
○ 2026-07-26 15:40:56
○ 2026-07-28 08:41:14

○A18.161.205.1222026-03-30 → 2026-07-01 · 19 obs

○ 2026-03-30 09:32:30
● 2026-03-30 11:51:24
○ 2026-03-30 12:49:24
● 2026-03-30 13:56:24
○ 2026-03-30 20:20:24
○ 2026-04-01 22:08:44
● 2026-04-02 03:59:50
○ 2026-04-02 06:03:10
○ 2026-04-03 17:47:14
● 2026-04-03 19:55:26
● 2026-04-03 22:02:36
○ 2026-04-03 23:02:24
○ 2026-04-05 00:13:54
● 2026-04-05 01:13:40
● 2026-04-05 01:57:28
○ 2026-04-05 02:29:08
● 2026-07-01 23:17:04
○ 2026-07-02 00:46:04
○ 2026-07-28 08:41:14

○A18.161.205.22026-03-30 → 2026-07-01 · 19 obs

○A18.161.205.372026-03-30 → 2026-07-01 · 19 obs

○A18.161.205.542026-03-30 → 2026-07-01 · 19 obs

○A18.238.4.282026-07-13 → 2026-07-27 · 24 obs

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

○A18.238.4.542026-07-13 → 2026-07-27 · 24 obs

○A18.238.4.632026-07-13 → 2026-07-27 · 24 obs

○A18.238.4.962026-07-13 → 2026-07-27 · 24 obs

○A18.238.49.1132026-03-07 → 2026-03-14 · 13 obs

○ 2026-03-07 11:17:02
● 2026-03-07 23:08:24
● 2026-03-08 00:49:02
○ 2026-03-08 02:12:26
○ 2026-03-08 05:51:46
● 2026-03-08 13:23:56
○ 2026-03-08 14:13:26
● 2026-03-09 03:36:24
○ 2026-03-09 15:10:56
○ 2026-03-14 00:07:52
● 2026-03-14 05:07:50
○ 2026-03-14 10:06:36
○ 2026-07-28 08:41:14

○A18.238.49.122026-03-07 → 2026-03-14 · 13 obs

○A18.238.49.552026-03-07 → 2026-03-14 · 13 obs

○A18.238.49.572026-03-07 → 2026-03-14 · 13 obs

○A18.239.168.1192026-04-20 → 2026-05-20 · 20 obs

○ 2026-04-19 18:31:48
● 2026-04-20 20:14:26
○ 2026-04-20 22:51:02
○ 2026-04-21 00:09:46
● 2026-04-21 08:21:24
● 2026-04-22 00:44:12
○ 2026-04-22 06:08:22
● 2026-04-22 18:55:58
○ 2026-04-23 05:56:04
○ 2026-04-25 23:26:02
● 2026-04-26 06:51:54
● 2026-04-26 19:10:46
○ 2026-04-27 05:05:08
○ 2026-05-10 20:32:10
● 2026-05-11 03:28:50
○ 2026-05-11 15:08:10
○ 2026-05-20 02:27:10
● 2026-05-20 04:23:16
○ 2026-05-20 05:03:42
○ 2026-07-28 08:41:14

○A18.239.168.1272026-04-20 → 2026-05-20 · 20 obs

○A18.239.168.212026-04-20 → 2026-05-20 · 20 obs

○A18.239.168.842026-04-20 → 2026-05-20 · 20 obs

○A3.160.90.1032026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-03 23:02:24
● 2026-04-04 00:14:22
○ 2026-04-04 01:10:22
○ 2026-07-28 08:41:14

○A3.160.90.322026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-03 23:02:24
● 2026-04-04 00:14:22
○ 2026-04-04 01:10:22
○ 2026-07-28 08:41:14

○A3.160.90.462026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-03 23:02:24
● 2026-04-04 00:14:22
○ 2026-04-04 01:10:22
○ 2026-07-28 08:41:14

○A3.160.90.722026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-03 23:02:24
● 2026-04-04 00:14:22
○ 2026-04-04 01:10:22
○ 2026-07-28 08:41:14

○A3.162.247.1032026-03-31 → 2026-05-02 · 7 obs

○ 2026-03-31 02:55:06
● 2026-03-31 10:48:28
○ 2026-03-31 12:23:34
○ 2026-05-02 03:20:36
● 2026-05-02 08:26:56
○ 2026-05-02 11:30:58
○ 2026-07-28 08:41:14

○A3.162.247.1072026-03-31 → 2026-05-02 · 7 obs

○ 2026-03-31 02:55:06
● 2026-03-31 10:48:28
○ 2026-03-31 12:23:34
○ 2026-05-02 03:20:36
● 2026-05-02 08:26:56
○ 2026-05-02 11:30:58
○ 2026-07-28 08:41:14

○A3.162.247.362026-03-31 → 2026-05-02 · 7 obs

○ 2026-03-31 02:55:06
● 2026-03-31 10:48:28
○ 2026-03-31 12:23:34
○ 2026-05-02 03:20:36
● 2026-05-02 08:26:56
○ 2026-05-02 11:30:58
○ 2026-07-28 08:41:14

○A3.162.247.972026-03-31 → 2026-05-02 · 7 obs

○ 2026-03-31 02:55:06
● 2026-03-31 10:48:28
○ 2026-03-31 12:23:34
○ 2026-05-02 03:20:36
● 2026-05-02 08:26:56
○ 2026-05-02 11:30:58
○ 2026-07-28 08:41:14

○A3.164.206.182026-03-25 → 2026-07-17 · 22 obs

○ 2026-03-17 11:04:00
● 2026-03-25 11:25:12
● 2026-03-25 13:26:06
○ 2026-03-25 23:39:58
● 2026-07-11 09:20:46
● 2026-07-11 16:09:24
○ 2026-07-11 22:45:20
● 2026-07-12 17:06:00
○ 2026-07-12 21:17:14
● 2026-07-13 05:17:44
○ 2026-07-13 08:50:06
● 2026-07-14 10:58:18
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● 2026-07-15 05:55:34
○ 2026-07-15 08:46:08
● 2026-07-16 02:17:28
○ 2026-07-16 05:11:54
● 2026-07-16 13:09:18
○ 2026-07-16 15:43:26
● 2026-07-17 09:13:50
○ 2026-07-17 12:10:26
○ 2026-07-28 08:41:14

○A3.164.206.212026-03-25 → 2026-07-17 · 22 obs

○A3.164.206.232026-03-25 → 2026-07-17 · 22 obs

○A3.164.206.302026-03-25 → 2026-07-17 · 22 obs

○A3.164.6.332026-03-28 → 2026-07-23 · 35 obs

○ 2026-03-27 21:34:14
● 2026-03-28 16:20:16
● 2026-03-30 01:13:20
○ 2026-03-30 01:48:26
○ 2026-06-08 08:53:00
● 2026-06-08 23:21:34
● 2026-06-11 15:34:34
○ 2026-06-11 17:48:14
○ 2026-06-16 14:39:40
● 2026-06-30 22:57:16
● 2026-07-05 09:18:36
○ 2026-07-07 10:59:18
○ 2026-07-11 16:09:24
● 2026-07-11 22:45:20
● 2026-07-16 15:43:26
○ 2026-07-16 18:20:42
● 2026-07-16 20:13:42
○ 2026-07-16 22:04:02
● 2026-07-17 01:21:20
○ 2026-07-17 09:13:50
● 2026-07-17 12:10:26
○ 2026-07-18 06:11:00
● 2026-07-18 07:10:48
○ 2026-07-20 21:03:32
● 2026-07-21 06:09:56
○ 2026-07-21 07:29:40
● 2026-07-21 10:02:54
○ 2026-07-22 16:01:16
● 2026-07-22 17:05:28
○ 2026-07-22 18:29:20
● 2026-07-23 14:53:14
○ 2026-07-23 17:06:18
● 2026-07-23 17:51:22
○ 2026-07-24 04:54:08
○ 2026-07-28 08:41:14

○A3.164.6.372026-03-28 → 2026-07-23 · 35 obs

○A3.164.6.512026-03-28 → 2026-07-23 · 35 obs

○A3.164.6.602026-03-28 → 2026-07-23 · 35 obs

○A3.174.26.1042026-05-18 → 2026-06-07 · 13 obs

○ 2026-05-18 07:25:04
● 2026-05-18 22:18:34
○ 2026-05-19 04:00:12
○ 2026-06-06 13:49:30
● 2026-06-06 16:26:56
○ 2026-06-06 22:44:32
● 2026-06-07 00:50:44
● 2026-06-07 02:15:24
○ 2026-06-07 07:44:42
○ 2026-06-07 19:22:30
● 2026-06-07 19:58:04
○ 2026-06-07 21:21:40
○ 2026-07-28 08:41:14

○A3.174.26.202026-05-18 → 2026-06-07 · 13 obs

○A3.174.26.282026-05-18 → 2026-06-07 · 13 obs

○A3.174.26.902026-05-18 → 2026-06-07 · 13 obs

○A3.174.29.222026-04-08 → 2026-04-19 · 20 obs

○ 2026-04-05 02:29:08
● 2026-04-08 20:11:50
○ 2026-04-08 21:18:00
○ 2026-04-09 03:18:52
● 2026-04-09 04:26:46
○ 2026-04-09 08:38:18
● 2026-04-09 15:19:18
○ 2026-04-10 00:26:14
● 2026-04-10 09:43:48
○ 2026-04-10 21:32:36
○ 2026-04-17 11:36:02
● 2026-04-17 18:37:00
○ 2026-04-17 22:07:44
○ 2026-04-18 12:03:36
● 2026-04-19 02:48:52
○ 2026-04-19 03:46:12
○ 2026-04-19 07:18:54
● 2026-04-19 17:36:34
○ 2026-04-19 18:31:48
○ 2026-07-28 08:41:14

○A3.174.29.382026-04-08 → 2026-04-19 · 20 obs

○A3.174.29.902026-04-08 → 2026-04-19 · 20 obs

○A3.174.29.982026-04-08 → 2026-04-19 · 20 obs

○A3.174.59.1022026-04-22 → 2026-07-27 · 34 obs

○ 2026-04-22 06:08:22
● 2026-04-22 14:52:02
○ 2026-04-22 18:55:58
○ 2026-04-27 20:38:40
● 2026-04-28 01:53:46
○ 2026-04-28 07:59:02
○ 2026-05-06 05:52:42
● 2026-05-06 11:28:50
○ 2026-05-07 04:51:58
○ 2026-05-15 22:49:32
● 2026-05-18 02:00:00
● 2026-05-18 07:25:04
○ 2026-05-18 22:18:34
○ 2026-05-19 08:47:18
● 2026-07-03 02:36:16
● 2026-07-03 05:27:48
○ 2026-07-03 12:05:44
● 2026-07-13 21:38:20
○ 2026-07-13 22:15:20
● 2026-07-23 06:33:16
○ 2026-07-23 11:31:48
● 2026-07-24 04:54:08
○ 2026-07-25 02:50:44
● 2026-07-25 06:10:52
○ 2026-07-25 10:53:50
● 2026-07-25 12:26:58
○ 2026-07-25 19:14:48
● 2026-07-25 23:38:00
○ 2026-07-26 11:06:22
● 2026-07-26 15:40:56
○ 2026-07-27 07:47:20
● 2026-07-27 17:51:40
○ 2026-07-28 07:43:50
○ 2026-07-28 08:41:14

○A3.174.59.1272026-04-22 → 2026-07-27 · 34 obs

○A3.174.59.202026-04-22 → 2026-07-27 · 34 obs

○A3.174.59.352026-04-22 → 2026-07-27 · 34 obs

○A52.222.244.1072026-02-25 → 2026-07-25 · 30 obs

● 2026-02-25 05:59:50
● 2026-02-28 03:56:28
○ 2026-02-28 17:48:52
● 2026-03-01 17:39:04
○ 2026-03-04 02:41:56
○ 2026-03-11 07:33:36
● 2026-03-13 00:26:16
● 2026-03-15 10:50:48
○ 2026-03-17 11:04:00
○ 2026-03-28 16:20:16
● 2026-07-03 04:47:14
○ 2026-07-05 04:48:42
● 2026-07-07 10:59:18
● 2026-07-10 02:58:20
○ 2026-07-10 05:26:06
● 2026-07-11 04:02:24
○ 2026-07-11 06:39:26
● 2026-07-21 07:29:40
○ 2026-07-21 10:02:54
● 2026-07-22 18:29:20
○ 2026-07-22 19:41:30
● 2026-07-23 04:31:06
○ 2026-07-23 06:33:16
● 2026-07-23 11:31:48
○ 2026-07-23 14:53:14
● 2026-07-23 17:06:18
○ 2026-07-23 17:51:22
● 2026-07-25 02:50:44
○ 2026-07-25 06:10:52
○ 2026-07-28 08:41:14

○A52.222.244.522026-02-25 → 2026-07-25 · 30 obs

○A52.222.244.792026-02-25 → 2026-07-25 · 30 obs

○A52.222.244.812026-02-25 → 2026-07-25 · 30 obs

○A52.85.78.302026-06-16 → 2026-07-27 · 8 obs

○ 2026-06-11 17:48:14
● 2026-06-16 14:39:40
○ 2026-06-16 19:46:30
● 2026-06-17 04:16:08
○ 2026-06-17 08:02:10
● 2026-07-27 07:47:20
○ 2026-07-27 12:01:28
○ 2026-07-28 08:41:14

○A52.85.78.372026-06-16 → 2026-07-27 · 8 obs

○ 2026-06-11 17:48:14
● 2026-06-16 14:39:40
○ 2026-06-16 19:46:30
● 2026-06-17 04:16:08
○ 2026-06-17 08:02:10
● 2026-07-27 07:47:20
○ 2026-07-27 12:01:28
○ 2026-07-28 08:41:14

○A52.85.78.752026-06-16 → 2026-07-27 · 8 obs

○ 2026-06-11 17:48:14
● 2026-06-16 14:39:40
○ 2026-06-16 19:46:30
● 2026-06-17 04:16:08
○ 2026-06-17 08:02:10
● 2026-07-27 07:47:20
○ 2026-07-27 12:01:28
○ 2026-07-28 08:41:14

○A52.85.78.982026-06-16 → 2026-07-27 · 8 obs

○ 2026-06-11 17:48:14
● 2026-06-16 14:39:40
○ 2026-06-16 19:46:30
● 2026-06-17 04:16:08
○ 2026-06-17 08:02:10
● 2026-07-27 07:47:20
○ 2026-07-27 12:01:28
○ 2026-07-28 08:41:14

○A99.86.91.1102026-02-28 → 2026-06-30 · 19 obs

○ 2026-02-28 03:56:28
● 2026-02-28 17:48:52
○ 2026-03-01 17:39:04
○ 2026-03-03 11:44:24
● 2026-03-04 02:41:56
○ 2026-03-06 20:31:36
○ 2026-04-03 05:20:48
● 2026-04-03 07:21:28
● 2026-04-12 08:35:36
○ 2026-04-16 00:15:10
○ 2026-06-11 15:34:34
● 2026-06-17 08:54:28
○ 2026-06-21 00:35:42
○ 2026-06-28 13:09:32
● 2026-06-29 23:57:54
○ 2026-06-30 00:47:04
● 2026-06-30 05:10:26
○ 2026-06-30 22:57:16
○ 2026-07-28 08:41:14

○A99.86.91.1132026-02-28 → 2026-06-30 · 19 obs

○A99.86.91.162026-02-28 → 2026-06-30 · 19 obs

○A99.86.91.422026-02-28 → 2026-06-30 · 19 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
instructure.com	ns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org	2 records

✅ Authoritative Response

Server:205.251.192.2

NS records: ns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructure.com (unsigned zone)

⏱️ Timing

Total: 465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.238.4.54, 18.238.4.28...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-2.awsdns-00.com, ns-2.awsdns-00.com)

Analysis

IP Addresses

usask.instructure.com resolves to four IP addresses: 143.204.29.3, 143.204.29.26, 143.204.29.33 and 143.204.29.81.

www.andrewherren.com, nagano-clinic.jp, admin.int.dmp.airproducts.com plus two other host names have IP numbers in common with usask.instructure.com.