`hb.instructure.com`

DNSSEC	⚠️ Not signed
A	3.163.10.25^{🇺🇸 Amazon3.163.8.0/22}
		PTR	`server-3-163-10-25.gru3.r.cloudfront.net`
A	3.163.10.73^{🇺🇸 Amazon3.163.8.0/22}
A	3.163.10.109^{🇺🇸 Amazon3.163.8.0/22}
A	3.163.10.128^{🇺🇸 Amazon3.163.8.0/22}

`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 #1358 globally
rank #731 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,212

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DNS History

36 records (4 active, 32 former)

○A108.138.85.102026-04-19 → 2026-05-21 · 10 obs

○ 2026-04-19 12:33:36
● 2026-04-19 16:41:24
○ 2026-04-19 18:27:42
● 2026-04-19 22:52:54
○ 2026-04-20 04:21:04
○ 2026-05-20 13:08:04
● 2026-05-21 09:19:10
● 2026-05-21 14:43:04
○ 2026-05-21 21:06:56
○ 2026-06-04 12:17:06

○A108.138.85.1162026-04-19 → 2026-05-21 · 10 obs

○A108.138.85.1232026-04-19 → 2026-05-21 · 10 obs

○A108.138.85.22026-04-19 → 2026-05-21 · 10 obs

○A108.139.134.1042026-04-14 → 2026-04-18 · 13 obs

● 2026-04-14 10:00:38
● 2026-04-15 03:37:20
○ 2026-04-15 09:59:58
○ 2026-04-16 08:01:04
● 2026-04-16 15:50:54
○ 2026-04-16 17:25:16
○ 2026-04-16 22:22:40
● 2026-04-16 23:12:40
○ 2026-04-17 00:25:14
○ 2026-04-18 19:43:20
● 2026-04-18 21:04:40
○ 2026-04-19 00:22:46
○ 2026-06-04 12:17:06

○A108.139.134.312026-04-14 → 2026-04-18 · 13 obs

○A108.139.134.692026-04-14 → 2026-04-18 · 13 obs

○A108.139.134.902026-04-14 → 2026-04-18 · 13 obs

○A13.33.129.1212026-05-09 → 2026-05-19 · 8 obs

○ 2026-05-09 21:19:06
● 2026-05-09 22:02:12
○ 2026-05-09 22:47:24
○ 2026-05-19 03:38:10
● 2026-05-19 04:54:06
● 2026-05-19 06:27:06
○ 2026-05-19 07:21:24
○ 2026-06-04 12:17:06

○A13.33.129.202026-05-09 → 2026-05-19 · 8 obs

○ 2026-05-09 21:19:06
● 2026-05-09 22:02:12
○ 2026-05-09 22:47:24
○ 2026-05-19 03:38:10
● 2026-05-19 04:54:06
● 2026-05-19 06:27:06
○ 2026-05-19 07:21:24
○ 2026-06-04 12:17:06

○A13.33.129.542026-05-09 → 2026-05-19 · 8 obs

○ 2026-05-09 21:19:06
● 2026-05-09 22:02:12
○ 2026-05-09 22:47:24
○ 2026-05-19 03:38:10
● 2026-05-19 04:54:06
● 2026-05-19 06:27:06
○ 2026-05-19 07:21:24
○ 2026-06-04 12:17:06

○A13.33.129.872026-05-09 → 2026-05-19 · 8 obs

○ 2026-05-09 21:19:06
● 2026-05-09 22:02:12
○ 2026-05-09 22:47:24
○ 2026-05-19 03:38:10
● 2026-05-19 04:54:06
● 2026-05-19 06:27:06
○ 2026-05-19 07:21:24
○ 2026-06-04 12:17:06

○A13.35.36.1272026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 06:44:02
● 2026-06-01 00:30:56
○ 2026-06-01 01:09:36
○ 2026-06-04 12:17:06

○A13.35.36.1282026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 06:44:02
● 2026-06-01 00:30:56
○ 2026-06-01 01:09:36
○ 2026-06-04 12:17:06

○A13.35.36.302026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 06:44:02
● 2026-06-01 00:30:56
○ 2026-06-01 01:09:36
○ 2026-06-04 12:17:06

○A13.35.36.682026-06-01 → 2026-06-01 · 4 obs

○ 2026-05-31 06:44:02
● 2026-06-01 00:30:56
○ 2026-06-01 01:09:36
○ 2026-06-04 12:17:06

○A18.154.110.1082026-05-19 → 2026-06-03 · 17 obs

○ 2026-05-19 13:46:34
● 2026-05-19 23:05:14
● 2026-05-20 13:08:04
○ 2026-05-21 09:19:10
○ 2026-05-21 14:43:04
● 2026-05-21 21:06:56
● 2026-05-29 21:41:18
○ 2026-05-30 02:09:42
● 2026-05-31 00:33:52
○ 2026-05-31 03:12:40
● 2026-05-31 06:44:02
○ 2026-06-01 00:30:56
○ 2026-06-02 04:22:20
● 2026-06-02 07:11:56
● 2026-06-03 20:01:56
○ 2026-06-04 12:17:02
○ 2026-06-04 12:17:06

○A18.154.110.1092026-05-19 → 2026-06-03 · 17 obs

○A18.154.110.702026-05-19 → 2026-06-03 · 17 obs

○A18.154.110.762026-05-19 → 2026-06-03 · 17 obs

○A18.154.132.152026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-23 00:34:44
● 2026-04-23 02:00:00
○ 2026-04-23 20:39:12
○ 2026-06-04 12:17:06

○A18.154.132.52026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-23 00:34:44
● 2026-04-23 02:00:00
○ 2026-04-23 20:39:12
○ 2026-06-04 12:17:06

○A18.154.132.702026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-23 00:34:44
● 2026-04-23 02:00:00
○ 2026-04-23 20:39:12
○ 2026-06-04 12:17:06

○A18.154.132.852026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-23 00:34:44
● 2026-04-23 02:00:00
○ 2026-04-23 20:39:12
○ 2026-06-04 12:17:06

○A18.161.21.402026-04-22 → 2026-05-19 · 65 obs

○ 2026-04-21 21:09:04
● 2026-04-22 00:37:12
○ 2026-04-22 01:20:46
○ 2026-04-23 00:04:22
● 2026-04-23 00:34:44
○ 2026-04-23 02:00:00
○ 2026-04-24 07:59:14
● 2026-04-24 18:07:06
○ 2026-04-24 23:35:24
○ 2026-04-26 20:54:18
● 2026-04-27 00:28:30
○ 2026-04-27 01:14:20
○ 2026-04-28 02:17:54
● 2026-04-28 02:55:30
○ 2026-04-28 05:16:56
○ 2026-04-28 08:31:30
● 2026-04-28 12:30:02
○ 2026-04-28 13:32:42
○ 2026-04-28 16:59:34
● 2026-04-28 17:40:30
○ 2026-04-28 18:24:48
○ 2026-04-29 10:07:08
● 2026-04-29 11:27:34
○ 2026-04-29 13:53:50
○ 2026-04-29 23:18:54
● 2026-04-30 00:30:24
○ 2026-04-30 01:42:02
● 2026-04-30 21:55:14
○ 2026-04-30 22:35:52
○ 2026-05-01 04:14:16
● 2026-05-01 13:40:00
○ 2026-05-01 14:37:18
○ 2026-05-03 21:51:36
● 2026-05-04 00:36:14
○ 2026-05-04 04:00:50
○ 2026-05-04 23:10:00
● 2026-05-05 00:32:42
● 2026-05-05 03:39:18
○ 2026-05-05 04:43:54
○ 2026-05-05 20:33:42
● 2026-05-05 22:13:02
● 2026-05-06 00:28:08
○ 2026-05-06 13:59:02
○ 2026-05-07 23:13:38
● 2026-05-08 00:34:36
○ 2026-05-08 02:23:50
○ 2026-05-09 00:08:30
● 2026-05-09 00:40:44
○ 2026-05-09 05:46:08
○ 2026-05-10 08:03:14
● 2026-05-10 09:39:30
○ 2026-05-10 14:39:48
○ 2026-05-12 13:01:12
● 2026-05-12 16:18:56
○ 2026-05-12 18:27:24
○ 2026-05-17 16:58:18
● 2026-05-17 23:57:20
○ 2026-05-18 03:36:46
● 2026-05-18 23:32:34
● 2026-05-19 03:38:10
○ 2026-05-19 04:54:06
○ 2026-05-19 06:27:06
● 2026-05-19 07:21:24
○ 2026-05-19 13:46:34
○ 2026-06-04 12:17:06

○A18.161.21.572026-04-22 → 2026-05-19 · 65 obs

○A18.161.21.742026-04-22 → 2026-05-19 · 65 obs

○A18.161.21.912026-04-22 → 2026-05-19 · 65 obs

○A216.137.53.112026-04-15 → 2026-05-18 · 111 obs

○ 2026-04-15 03:37:20
● 2026-04-15 09:59:58
● 2026-04-16 05:35:22
○ 2026-04-16 08:01:04
○ 2026-04-16 15:50:54
● 2026-04-16 17:25:16
● 2026-04-16 22:22:40
○ 2026-04-16 23:12:40
● 2026-04-17 00:25:14
○ 2026-04-17 03:26:56
● 2026-04-17 08:05:22
● 2026-04-17 16:19:20
○ 2026-04-18 00:13:08
● 2026-04-18 01:23:20
● 2026-04-18 19:43:20
○ 2026-04-18 21:04:40
● 2026-04-19 00:22:46
● 2026-04-19 12:33:36
○ 2026-04-19 16:41:24
● 2026-04-19 18:27:42
○ 2026-04-19 22:52:54
● 2026-04-20 04:21:04
● 2026-04-21 21:09:04
○ 2026-04-22 00:37:12
● 2026-04-22 01:20:46
○ 2026-04-22 07:54:52
● 2026-04-22 09:34:40
● 2026-04-23 00:04:22
○ 2026-04-23 00:34:44
○ 2026-04-23 02:00:00
● 2026-04-23 20:39:12
● 2026-04-24 07:59:14
○ 2026-04-24 18:07:06
● 2026-04-24 23:35:24
○ 2026-04-25 01:21:08
● 2026-04-25 07:42:36
● 2026-04-26 09:04:00
○ 2026-04-26 15:01:24
○ 2026-04-26 16:46:58
● 2026-04-26 20:10:22
● 2026-04-26 20:54:18
○ 2026-04-27 00:28:30
● 2026-04-27 01:14:20
● 2026-04-27 02:58:50
○ 2026-04-27 05:25:44
● 2026-04-27 08:11:38
● 2026-04-28 02:17:54
○ 2026-04-28 02:55:30
● 2026-04-28 05:16:56
● 2026-04-28 08:31:30
○ 2026-04-28 12:30:02
● 2026-04-28 13:32:42
● 2026-04-28 16:59:34
○ 2026-04-28 17:40:30
● 2026-04-28 18:24:48
● 2026-04-29 02:44:50
○ 2026-04-29 03:40:58
● 2026-04-29 06:48:02
● 2026-04-29 08:14:34
○ 2026-04-29 10:07:08
○ 2026-04-29 13:53:50
● 2026-04-29 16:11:12
● 2026-04-29 23:18:54
○ 2026-04-30 00:30:24
● 2026-04-30 01:42:02
○ 2026-04-30 21:55:14
● 2026-04-30 22:35:52
● 2026-05-01 00:58:00
○ 2026-05-01 03:32:26
● 2026-05-01 04:14:16
○ 2026-05-01 13:40:00
● 2026-05-01 14:37:18
● 2026-05-03 21:51:36
○ 2026-05-04 00:36:14
● 2026-05-04 04:00:50
● 2026-05-04 23:10:00
○ 2026-05-05 00:32:42
○ 2026-05-05 03:39:18
● 2026-05-05 04:43:54
● 2026-05-05 14:32:40
○ 2026-05-05 16:43:38
○ 2026-05-06 00:28:08
● 2026-05-06 13:59:02
● 2026-05-07 23:13:38
○ 2026-05-08 00:34:36
○ 2026-05-08 02:23:50
● 2026-05-08 13:18:04
● 2026-05-09 00:08:30
○ 2026-05-09 00:40:44
● 2026-05-09 05:46:08
● 2026-05-09 21:19:06
○ 2026-05-09 22:02:12
● 2026-05-09 22:47:24
● 2026-05-10 08:03:14
○ 2026-05-10 09:39:30
● 2026-05-10 14:39:48
● 2026-05-12 01:23:46
○ 2026-05-12 13:01:12
○ 2026-05-12 16:18:56
● 2026-05-12 18:27:24
● 2026-05-14 02:50:18
○ 2026-05-14 15:52:06
● 2026-05-15 07:36:54
● 2026-05-15 16:23:56
○ 2026-05-15 18:49:22
● 2026-05-16 10:08:00
● 2026-05-17 16:58:18
○ 2026-05-17 23:57:20
● 2026-05-18 03:36:46
○ 2026-05-18 23:32:34
○ 2026-06-04 12:17:06

○A216.137.53.1192026-04-15 → 2026-05-18 · 111 obs

○A216.137.53.482026-04-15 → 2026-05-18 · 111 obs

○A216.137.53.692026-04-15 → 2026-05-18 · 111 obs

●A3.163.10.1092026-04-16 → 2026-06-04 · 64 obs

○ 2026-04-16 05:35:22
● 2026-04-16 08:01:04
○ 2026-04-16 15:50:54
○ 2026-04-17 00:25:14
● 2026-04-17 03:26:56
○ 2026-04-17 08:05:22
○ 2026-04-17 16:19:20
● 2026-04-18 00:13:08
○ 2026-04-18 01:23:20
○ 2026-04-22 01:20:46
● 2026-04-22 07:54:52
○ 2026-04-22 09:34:40
○ 2026-04-24 23:35:24
● 2026-04-25 01:21:08
○ 2026-04-25 07:42:36
○ 2026-04-26 09:04:00
● 2026-04-26 15:01:24
● 2026-04-26 16:46:58
○ 2026-04-26 20:10:22
○ 2026-04-27 02:58:50
● 2026-04-27 05:25:44
○ 2026-04-27 08:11:38
○ 2026-04-29 02:44:50
● 2026-04-29 03:40:58
○ 2026-04-29 06:48:02
○ 2026-04-29 08:14:34
● 2026-04-29 10:07:08
○ 2026-04-29 11:27:34
● 2026-04-29 13:53:50
○ 2026-04-29 16:11:12
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● 2026-05-01 03:32:26
○ 2026-05-01 04:14:16
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● 2026-05-05 16:43:38
● 2026-05-05 20:33:42
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● 2026-05-08 02:23:50
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○ 2026-05-12 16:18:56
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○ 2026-05-16 10:08:00
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● 2026-05-19 13:46:34
○ 2026-05-19 23:05:14
○ 2026-05-29 21:41:18
● 2026-05-30 02:09:42
○ 2026-05-31 00:33:52
● 2026-05-31 03:12:40
○ 2026-05-31 06:44:02
○ 2026-06-01 00:30:56
● 2026-06-01 01:09:36
● 2026-06-02 04:22:20
○ 2026-06-02 07:11:56
○ 2026-06-03 20:01:56
● 2026-06-04 12:17:02
● 2026-06-04 12:17:06

●A3.163.10.1282026-04-16 → 2026-06-04 · 64 obs

●A3.163.10.252026-04-16 → 2026-06-04 · 64 obs

●A3.163.10.732026-04-16 → 2026-06-04 · 64 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, k.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:205.251.197.74

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: 773ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.163.10.109, 3.163.10.73...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

With 4 IP addresses, hb.instructure.com directs to 3.163.10.25, 3.163.10.73, 3.163.10.109 and 3.163.10.128.

Among the host names that share IP numbers with hb.instructure.com are prerakpatel.info, d1dyuvc59sncun.cloudfront.net, mx.uneseulenuit.fr and two others.

hb.instructure.com - robtex.com