usc.instructure.com - dns.ninja

`usc.instructure.com`

DNSSEC	⚠️ Not signed
A	13.226.209.2^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
		PTR	`server-13-226-209-2.iad61.r.cloudfront.net`
A	13.226.209.26^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.92^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.99^{🇺🇸 Amazon13.226.209.0/24 - 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 #1482 globally
rank #795 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,963

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DNS History

96 records (4 active, 92 former)

○A108.139.113.1132026-04-08 → 2026-07-10 · 19 obs

○ 2026-04-08 06:59:22
● 2026-04-08 14:07:38
○ 2026-04-08 19:08:40
○ 2026-04-09 05:21:32
● 2026-04-09 18:53:46
○ 2026-04-10 00:34:52
○ 2026-04-14 00:39:42
● 2026-04-14 10:48:12
● 2026-04-15 00:00:00
○ 2026-04-16 08:23:50
○ 2026-04-19 22:02:44
● 2026-04-20 02:13:54
○ 2026-04-20 14:48:40
○ 2026-06-07 09:44:04
● 2026-06-08 02:15:42
○ 2026-06-08 03:07:22
● 2026-07-10 01:51:16
○ 2026-07-10 03:14:20
○ 2026-08-04 18:15:30

○A108.139.113.232026-04-08 → 2026-07-10 · 19 obs

○A108.139.113.512026-04-08 → 2026-07-10 · 19 obs

○A108.139.113.592026-04-08 → 2026-07-10 · 19 obs

○A108.158.186.1212026-03-30 → 2026-07-27 · 17 obs

○ 2026-03-29 23:22:28
● 2026-03-30 11:05:28
● 2026-03-30 13:45:00
○ 2026-03-30 23:02:18
○ 2026-05-19 04:27:12
● 2026-07-01 23:18:30
○ 2026-07-03 12:19:00
● 2026-07-13 21:36:34
○ 2026-07-14 12:17:04
● 2026-07-17 02:14:42
○ 2026-07-17 03:01:04
● 2026-07-23 05:25:06
● 2026-07-26 20:09:54
○ 2026-07-27 08:31:32
● 2026-07-27 19:07:58
○ 2026-07-28 03:02:42
○ 2026-08-04 18:15:30

○A108.158.186.262026-03-30 → 2026-07-27 · 17 obs

○A108.158.186.92026-03-30 → 2026-07-27 · 17 obs

○A108.158.186.962026-03-30 → 2026-07-27 · 17 obs

○A13.224.252.1032026-04-29 → 2026-08-03 · 39 obs

○ 2026-04-28 05:34:22
● 2026-04-29 16:35:20
○ 2026-04-29 18:28:02
○ 2026-04-30 09:16:16
● 2026-04-30 12:26:00
○ 2026-04-30 15:14:12
○ 2026-06-15 16:30:28
● 2026-06-30 22:19:18
○ 2026-07-02 16:08:08
○ 2026-07-12 05:05:04
● 2026-07-13 05:15:22
● 2026-07-17 04:04:02
○ 2026-07-18 10:01:40
○ 2026-07-23 05:25:06
● 2026-07-23 21:09:00
○ 2026-07-24 04:18:26
● 2026-07-28 03:02:42
○ 2026-07-28 04:03:54
● 2026-07-30 19:41:46
○ 2026-07-31 06:53:06
● 2026-07-31 07:45:44
○ 2026-07-31 13:38:54
● 2026-07-31 15:31:54
○ 2026-07-31 16:21:52
● 2026-07-31 21:26:42
○ 2026-08-01 06:40:24
● 2026-08-01 11:23:54
○ 2026-08-01 19:51:22
● 2026-08-01 22:44:02
○ 2026-08-02 00:07:12
● 2026-08-02 02:09:52
○ 2026-08-02 10:28:32
● 2026-08-02 12:50:24
○ 2026-08-02 16:51:36
● 2026-08-02 20:14:40
○ 2026-08-03 06:58:16
● 2026-08-03 15:07:54
○ 2026-08-04 07:26:30
○ 2026-08-04 18:15:30

○A13.224.252.1222026-04-29 → 2026-08-03 · 39 obs

○A13.224.252.412026-04-29 → 2026-08-03 · 39 obs

○A13.224.252.722026-04-29 → 2026-08-03 · 39 obs

○A13.225.107.1172026-03-28 → 2026-04-26 · 17 obs

○ 2026-03-27 10:45:42
● 2026-03-28 14:25:32
○ 2026-03-28 20:38:50
● 2026-03-28 22:07:30
○ 2026-03-29 23:22:28
○ 2026-04-06 03:57:50
● 2026-04-06 09:57:00
● 2026-04-08 06:59:22
○ 2026-04-08 14:07:38
○ 2026-04-15 00:00:00
● 2026-04-16 08:23:50
● 2026-04-17 03:42:06
○ 2026-04-18 12:25:00
○ 2026-04-26 12:57:26
● 2026-04-26 18:42:50
○ 2026-04-26 20:55:36
○ 2026-08-04 18:15:30

○A13.225.107.452026-03-28 → 2026-04-26 · 17 obs

○A13.225.107.542026-03-28 → 2026-04-26 · 17 obs

○A13.225.107.912026-03-28 → 2026-04-26 · 17 obs

●A13.226.209.22026-03-14 → 2026-08-04 · 24 obs

○ 2026-03-14 15:59:18
● 2026-03-14 19:36:56
○ 2026-03-14 23:11:32
○ 2026-03-16 05:00:46
● 2026-03-16 07:08:36
○ 2026-03-17 03:55:34
○ 2026-06-17 09:24:56
● 2026-06-21 15:40:38
● 2026-06-24 07:07:28
○ 2026-06-26 11:31:12
● 2026-06-29 11:14:22
○ 2026-06-30 12:32:28
○ 2026-07-07 09:24:20
● 2026-07-09 12:49:16
● 2026-07-11 10:44:00
○ 2026-07-11 13:24:34
● 2026-07-12 09:09:10
○ 2026-07-12 10:04:46
● 2026-08-03 06:58:16
○ 2026-08-03 15:07:54
● 2026-08-04 07:26:30
○ 2026-08-04 12:39:28
● 2026-08-04 15:18:48
● 2026-08-04 18:15:30

●A13.226.209.262026-03-14 → 2026-08-04 · 24 obs

●A13.226.209.922026-03-14 → 2026-08-04 · 24 obs

●A13.226.209.992026-03-14 → 2026-08-04 · 24 obs

○A13.33.131.1282026-07-23 → 2026-07-25 · 6 obs

○ 2026-07-23 05:25:06
● 2026-07-23 10:27:50
○ 2026-07-23 12:46:50
● 2026-07-25 09:31:02
○ 2026-07-25 16:28:20
○ 2026-08-04 18:15:30

○A13.33.131.182026-07-23 → 2026-07-25 · 6 obs

○ 2026-07-23 05:25:06
● 2026-07-23 10:27:50
○ 2026-07-23 12:46:50
● 2026-07-25 09:31:02
○ 2026-07-25 16:28:20
○ 2026-08-04 18:15:30

○A13.33.131.592026-07-23 → 2026-07-25 · 6 obs

○ 2026-07-23 05:25:06
● 2026-07-23 10:27:50
○ 2026-07-23 12:46:50
● 2026-07-25 09:31:02
○ 2026-07-25 16:28:20
○ 2026-08-04 18:15:30

○A13.33.131.882026-07-23 → 2026-07-25 · 6 obs

○ 2026-07-23 05:25:06
● 2026-07-23 10:27:50
○ 2026-07-23 12:46:50
● 2026-07-25 09:31:02
○ 2026-07-25 16:28:20
○ 2026-08-04 18:15:30

○A13.33.235.392026-03-24 → 2026-07-15 · 18 obs

○ 2026-03-23 19:14:40
● 2026-03-24 07:02:04
○ 2026-03-24 12:22:22
○ 2026-03-24 20:15:28
● 2026-03-24 20:46:20
○ 2026-03-24 22:51:24
○ 2026-03-25 13:13:50
● 2026-03-25 16:06:10
● 2026-03-25 20:28:32
○ 2026-03-25 23:08:02
○ 2026-03-27 03:19:14
● 2026-03-27 06:32:44
○ 2026-03-27 10:45:42
● 2026-07-14 07:22:20
○ 2026-07-14 09:29:38
● 2026-07-15 05:43:00
○ 2026-07-15 08:46:30
○ 2026-08-04 18:15:30

○A13.33.235.712026-03-24 → 2026-07-15 · 18 obs

○A13.33.235.722026-03-24 → 2026-07-15 · 18 obs

○A13.33.235.862026-03-24 → 2026-07-15 · 18 obs

○A13.35.107.1042026-07-13 → 2026-08-01 · 21 obs

○ 2026-07-13 14:25:56
● 2026-07-13 17:00:04
○ 2026-07-13 18:34:44
● 2026-07-14 01:44:08
○ 2026-07-14 02:25:32
○ 2026-07-15 11:51:22
● 2026-07-18 10:01:40
○ 2026-07-19 10:32:32
● 2026-07-20 21:27:50
○ 2026-07-22 18:43:22
● 2026-07-24 15:48:48
● 2026-07-26 00:21:52
○ 2026-07-26 20:09:54
● 2026-07-28 22:29:14
● 2026-07-30 01:57:08
○ 2026-07-30 09:10:26
● 2026-07-30 09:43:38
○ 2026-07-30 10:17:08
● 2026-08-01 19:51:22
○ 2026-08-01 22:44:02
○ 2026-08-04 18:15:30

○A13.35.107.272026-07-13 → 2026-08-01 · 21 obs

○A13.35.107.392026-07-13 → 2026-08-01 · 21 obs

○A13.35.107.412026-07-13 → 2026-08-01 · 21 obs

○A13.35.36.382026-05-27 → 2026-05-30 · 10 obs

○ 2026-05-27 08:19:38
● 2026-05-27 09:13:32
○ 2026-05-27 15:40:44
○ 2026-05-29 00:00:58
● 2026-05-29 07:06:54
○ 2026-05-29 17:54:46
○ 2026-05-30 20:56:50
● 2026-05-30 22:26:12
○ 2026-05-30 23:54:26
○ 2026-08-04 18:15:30

○A13.35.36.412026-05-27 → 2026-05-30 · 10 obs

○A13.35.36.432026-05-27 → 2026-05-30 · 10 obs

○A13.35.36.532026-05-27 → 2026-05-30 · 10 obs

○A18.154.206.1282026-03-15 → 2026-08-04 · 32 obs

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

○A18.154.206.312026-03-15 → 2026-08-04 · 32 obs

○A18.154.206.372026-03-15 → 2026-08-04 · 32 obs

○A18.154.206.62026-03-15 → 2026-08-04 · 32 obs

○A18.161.246.1172026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-23 21:43:18
● 2026-05-26 22:02:02
○ 2026-05-27 08:19:38
○ 2026-08-04 18:15:30

○A18.161.246.162026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-23 21:43:18
● 2026-05-26 22:02:02
○ 2026-05-27 08:19:38
○ 2026-08-04 18:15:30

○A18.161.246.792026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-23 21:43:18
● 2026-05-26 22:02:02
○ 2026-05-27 08:19:38
○ 2026-08-04 18:15:30

○A18.161.246.862026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-23 21:43:18
● 2026-05-26 22:02:02
○ 2026-05-27 08:19:38
○ 2026-08-04 18:15:30

○A18.165.116.1062026-03-31 → 2026-07-29 · 6 obs

○ 2026-03-30 23:02:18
● 2026-03-31 08:12:40
○ 2026-03-31 09:43:04
● 2026-07-29 11:57:22
○ 2026-07-29 14:58:20
○ 2026-08-04 18:15:30

○A18.165.116.1082026-03-31 → 2026-07-29 · 6 obs

○ 2026-03-30 23:02:18
● 2026-03-31 08:12:40
○ 2026-03-31 09:43:04
● 2026-07-29 11:57:22
○ 2026-07-29 14:58:20
○ 2026-08-04 18:15:30

○A18.165.116.882026-03-31 → 2026-07-29 · 6 obs

○ 2026-03-30 23:02:18
● 2026-03-31 08:12:40
○ 2026-03-31 09:43:04
● 2026-07-29 11:57:22
○ 2026-07-29 14:58:20
○ 2026-08-04 18:15:30

○A18.165.116.952026-03-31 → 2026-07-29 · 6 obs

○ 2026-03-30 23:02:18
● 2026-03-31 08:12:40
○ 2026-03-31 09:43:04
● 2026-07-29 11:57:22
○ 2026-07-29 14:58:20
○ 2026-08-04 18:15:30

○A18.165.122.172026-03-24 → 2026-07-20 · 19 obs

○ 2026-03-24 12:22:22
● 2026-03-24 14:26:04
○ 2026-03-24 20:15:28
● 2026-07-11 08:23:28
○ 2026-07-11 09:17:26
○ 2026-07-11 17:16:16
● 2026-07-12 06:34:00
● 2026-07-13 08:13:28
○ 2026-07-13 14:25:56
● 2026-07-14 09:29:38
● 2026-07-15 11:51:22
○ 2026-07-15 18:57:32
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● 2026-07-19 06:20:24
● 2026-07-20 11:21:32
○ 2026-07-20 13:27:48
● 2026-07-20 14:33:02
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○ 2026-08-04 18:15:30

○A18.165.122.502026-03-24 → 2026-07-20 · 19 obs

○A18.165.122.542026-03-24 → 2026-07-20 · 19 obs

○A18.165.122.702026-03-24 → 2026-07-20 · 19 obs

○A18.173.132.222026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-11 02:18:54
● 2026-03-14 15:59:18
○ 2026-03-14 19:36:56
○ 2026-08-04 18:15:30

○A18.173.132.42026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-11 02:18:54
● 2026-03-14 15:59:18
○ 2026-03-14 19:36:56
○ 2026-08-04 18:15:30

○A18.173.132.662026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-11 02:18:54
● 2026-03-14 15:59:18
○ 2026-03-14 19:36:56
○ 2026-08-04 18:15:30

○A18.173.132.992026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-11 02:18:54
● 2026-03-14 15:59:18
○ 2026-03-14 19:36:56
○ 2026-08-04 18:15:30

○A18.239.168.1012026-04-23 → 2026-08-02 · 23 obs

○ 2026-04-23 20:35:10
● 2026-04-23 21:33:52
○ 2026-04-24 12:12:28
○ 2026-04-25 23:06:58
● 2026-04-26 00:30:38
○ 2026-04-26 04:56:40
○ 2026-04-26 23:39:04
● 2026-04-27 08:53:46
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● 2026-05-02 00:25:44
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● 2026-05-05 00:26:26
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● 2026-05-19 17:49:22
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● 2026-08-02 10:28:32
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○ 2026-08-04 18:15:30

○A18.239.168.332026-04-23 → 2026-08-02 · 23 obs

○A18.239.168.522026-04-23 → 2026-08-02 · 23 obs

○A18.239.168.642026-04-23 → 2026-08-02 · 23 obs

○A18.245.218.1162026-03-10 → 2026-06-19 · 17 obs

● 2026-03-10 23:15:58
● 2026-03-11 02:18:54
○ 2026-03-14 15:59:18
○ 2026-03-17 20:14:34
● 2026-03-17 22:39:34
● 2026-03-23 11:42:06
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● 2026-04-14 00:39:42
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● 2026-04-22 22:07:48
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● 2026-06-19 02:10:52
○ 2026-06-19 13:22:44
○ 2026-08-04 18:15:30

○A18.245.218.372026-03-10 → 2026-06-19 · 17 obs

○A18.245.218.52026-03-10 → 2026-06-19 · 17 obs

○A18.245.218.962026-03-10 → 2026-06-19 · 17 obs

○A18.67.233.1022026-05-30 → 2026-06-05 · 19 obs

○ 2026-05-29 17:54:46
● 2026-05-30 10:39:54
○ 2026-05-30 11:11:34
○ 2026-06-01 11:05:30
● 2026-06-01 11:49:50
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● 2026-06-03 11:40:40
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● 2026-06-03 21:45:10
○ 2026-06-03 22:26:06
○ 2026-06-05 08:01:40
● 2026-06-05 11:37:28
○ 2026-06-05 12:28:06
○ 2026-08-04 18:15:30

○A18.67.233.1092026-05-30 → 2026-06-05 · 19 obs

○A18.67.233.1152026-05-30 → 2026-06-05 · 19 obs

○A18.67.233.142026-05-30 → 2026-06-05 · 19 obs

○A3.166.160.1032026-07-27 → 2026-07-28 · 6 obs

○ 2026-07-26 20:09:54
● 2026-07-27 08:31:32
○ 2026-07-27 19:07:58
● 2026-07-28 16:12:22
○ 2026-07-28 18:47:08
○ 2026-08-04 18:15:30

○A3.166.160.1162026-07-27 → 2026-07-28 · 6 obs

○ 2026-07-26 20:09:54
● 2026-07-27 08:31:32
○ 2026-07-27 19:07:58
● 2026-07-28 16:12:22
○ 2026-07-28 18:47:08
○ 2026-08-04 18:15:30

○A3.166.160.212026-07-27 → 2026-07-28 · 6 obs

○ 2026-07-26 20:09:54
● 2026-07-27 08:31:32
○ 2026-07-27 19:07:58
● 2026-07-28 16:12:22
○ 2026-07-28 18:47:08
○ 2026-08-04 18:15:30

○A3.166.160.302026-07-27 → 2026-07-28 · 6 obs

○ 2026-07-26 20:09:54
● 2026-07-27 08:31:32
○ 2026-07-27 19:07:58
● 2026-07-28 16:12:22
○ 2026-07-28 18:47:08
○ 2026-08-04 18:15:30

○A3.166.192.1272026-07-31 → 2026-07-31 · 4 obs

○ 2026-07-30 19:41:46
● 2026-07-31 06:53:06
○ 2026-07-31 07:45:44
○ 2026-08-04 18:15:30

○A3.166.192.212026-07-31 → 2026-07-31 · 4 obs

○ 2026-07-30 19:41:46
● 2026-07-31 06:53:06
○ 2026-07-31 07:45:44
○ 2026-08-04 18:15:30

○A3.166.192.332026-07-31 → 2026-07-31 · 4 obs

○ 2026-07-30 19:41:46
● 2026-07-31 06:53:06
○ 2026-07-31 07:45:44
○ 2026-08-04 18:15:30

○A3.166.192.722026-07-31 → 2026-07-31 · 4 obs

○ 2026-07-30 19:41:46
● 2026-07-31 06:53:06
○ 2026-07-31 07:45:44
○ 2026-08-04 18:15:30

○A52.222.201.112026-07-25 → 2026-07-28 · 8 obs

○ 2026-07-25 16:28:20
● 2026-07-25 19:12:42
○ 2026-07-26 00:21:52
● 2026-07-26 10:02:46
○ 2026-07-26 13:13:36
● 2026-07-28 04:03:54
○ 2026-07-28 11:41:20
○ 2026-08-04 18:15:30

○A52.222.201.1262026-07-25 → 2026-07-28 · 8 obs

○ 2026-07-25 16:28:20
● 2026-07-25 19:12:42
○ 2026-07-26 00:21:52
● 2026-07-26 10:02:46
○ 2026-07-26 13:13:36
● 2026-07-28 04:03:54
○ 2026-07-28 11:41:20
○ 2026-08-04 18:15:30

○A52.222.201.22026-07-25 → 2026-07-28 · 8 obs

○ 2026-07-25 16:28:20
● 2026-07-25 19:12:42
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● 2026-07-26 10:02:46
○ 2026-07-26 13:13:36
● 2026-07-28 04:03:54
○ 2026-07-28 11:41:20
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○A52.222.201.842026-07-25 → 2026-07-28 · 8 obs

○ 2026-07-25 16:28:20
● 2026-07-25 19:12:42
○ 2026-07-26 00:21:52
● 2026-07-26 10:02:46
○ 2026-07-26 13:13:36
● 2026-07-28 04:03:54
○ 2026-07-28 11:41:20
○ 2026-08-04 18:15:30

○A52.85.12.1072026-05-19 → 2026-07-02 · 17 obs

○ 2026-05-19 21:22:58
● 2026-05-19 22:11:08
○ 2026-05-20 08:10:04
● 2026-05-20 09:59:06
● 2026-05-20 11:38:20
○ 2026-05-20 12:26:42
○ 2026-05-23 16:17:28
● 2026-05-23 21:43:18
● 2026-06-06 22:21:26
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● 2026-06-30 04:44:20
● 2026-07-01 12:07:02
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● 2026-07-02 16:08:08
○ 2026-07-02 22:29:20
○ 2026-08-04 18:15:30

○A52.85.12.112026-05-19 → 2026-07-02 · 17 obs

○A52.85.12.1142026-05-19 → 2026-07-02 · 17 obs

○A52.85.12.182026-05-19 → 2026-07-02 · 17 obs

○A54.230.201.1062026-04-23 → 2026-07-15 · 18 obs

○ 2026-04-22 22:07:48
● 2026-04-23 05:55:18
● 2026-04-23 20:35:10
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● 2026-05-01 10:57:48
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● 2026-06-09 23:03:38
● 2026-06-30 12:32:28
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● 2026-07-15 22:45:04
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○A54.230.201.252026-04-23 → 2026-07-15 · 18 obs

○A54.230.201.342026-04-23 → 2026-07-15 · 18 obs

○A54.230.201.442026-04-23 → 2026-07-15 · 18 obs

○A54.240.184.382026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-15 16:30:28
● 2026-06-16 15:33:52
○ 2026-06-16 17:35:46
○ 2026-08-04 18:15:30

○A54.240.184.562026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-15 16:30:28
● 2026-06-16 15:33:52
○ 2026-06-16 17:35:46
○ 2026-08-04 18:15:30

○A54.240.184.842026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-15 16:30:28
● 2026-06-16 15:33:52
○ 2026-06-16 17:35:46
○ 2026-08-04 18:15:30

○A54.240.184.902026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-15 16:30:28
● 2026-06-16 15:33:52
○ 2026-06-16 17:35:46
○ 2026-08-04 18:15:30

○A99.84.132.1162026-03-31 → 2026-07-30 · 19 obs

○ 2026-03-31 09:43:04
● 2026-03-31 10:59:54
○ 2026-03-31 11:45:58
○ 2026-03-31 18:28:30
● 2026-03-31 22:23:12
● 2026-04-04 16:39:04
○ 2026-04-05 03:31:08
○ 2026-05-21 23:27:58
● 2026-06-18 15:22:04
○ 2026-06-19 19:31:08
● 2026-06-23 08:07:58
● 2026-06-28 08:07:44
○ 2026-06-29 22:13:28
● 2026-07-28 11:41:20
● 2026-07-30 00:48:40
○ 2026-07-30 01:57:08
● 2026-07-30 09:10:26
○ 2026-07-30 09:43:38
○ 2026-08-04 18:15:30

○A99.84.132.1222026-03-31 → 2026-07-30 · 19 obs

○A99.84.132.142026-03-31 → 2026-07-30 · 19 obs

○A99.84.132.332026-03-31 → 2026-07-30 · 19 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.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: 345ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.209.26, 13.226.209.92...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

usc.instructure.com resolves to four IP addresses: 13.226.209.2, 13.226.209.26, 13.226.209.92 and 13.226.209.99.

Two other host names, along with sat1be.skadsdk.appsflyersdk.com, agvhd.com and chambarun.kr, also share IP numbers with usc.instructure.com.