`isdi.instructure.com`

DNSSEC	⚠️ Not signed
A	108.138.85.2^{🇺🇸 Amazon108.138.80.0/21}
		PTR	`server-108-138-85-2.iad12.r.cloudfront.net`
A	108.138.85.10^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.116^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.123^{🇺🇸 Amazon108.138.80.0/21}

`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	`stripe-verification=B0532755BD8D4E0C6B601C3FCDB1DF203E57A8D2CDA9A7F9F84F8BD64...`
	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 #1483 globally
rank #793 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #2,128

Same first word

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sidi.mg

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sidi.de

DNS History

62 records (4 active, 58 former)

○A108.138.103.1222026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 21:07:40
● 2026-08-02 04:59:14
○ 2026-08-02 07:48:48
○ 2026-08-13 05:15:24

○A108.138.103.432026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 21:07:40
● 2026-08-02 04:59:14
○ 2026-08-02 07:48:48
○ 2026-08-13 05:15:24

○A108.138.103.492026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 21:07:40
● 2026-08-02 04:59:14
○ 2026-08-02 07:48:48
○ 2026-08-13 05:15:24

○A108.138.103.742026-08-02 → 2026-08-02 · 4 obs

○ 2026-08-01 21:07:40
● 2026-08-02 04:59:14
○ 2026-08-02 07:48:48
○ 2026-08-13 05:15:24

●A108.138.85.102026-06-27 → 2026-08-13 · 34 obs

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

●A108.138.85.1162026-06-27 → 2026-08-13 · 34 obs

●A108.138.85.1232026-06-27 → 2026-08-13 · 34 obs

●A108.138.85.22026-06-27 → 2026-08-13 · 34 obs

○A13.226.209.1002026-08-12 → 2026-08-12 · 4 obs

○ 2026-08-12 05:03:22
● 2026-08-12 09:51:28
○ 2026-08-12 10:44:14
○ 2026-08-13 05:15:24

○A13.226.209.1092026-08-12 → 2026-08-12 · 4 obs

○ 2026-08-12 05:03:22
● 2026-08-12 09:51:28
○ 2026-08-12 10:44:14
○ 2026-08-13 05:15:24

○A13.226.209.872026-08-12 → 2026-08-12 · 4 obs

○ 2026-08-12 05:03:22
● 2026-08-12 09:51:28
○ 2026-08-12 10:44:14
○ 2026-08-13 05:15:24

○A13.226.209.992026-08-12 → 2026-08-12 · 4 obs

○ 2026-08-12 05:03:22
● 2026-08-12 09:51:28
○ 2026-08-12 10:44:14
○ 2026-08-13 05:15:24

○A13.33.131.1042026-07-25 → 2026-07-27 · 20 obs

○ 2026-07-24 15:49:28
● 2026-07-25 04:13:04
○ 2026-07-25 13:20:20
● 2026-07-25 15:44:14
○ 2026-07-25 19:04:10
● 2026-07-25 19:44:24
○ 2026-07-25 23:11:22
● 2026-07-26 03:34:12
○ 2026-07-26 04:23:44
● 2026-07-26 05:34:32
○ 2026-07-26 10:50:30
● 2026-07-26 11:32:16
○ 2026-07-27 04:15:04
● 2026-07-27 05:59:42
○ 2026-07-27 07:45:10
● 2026-07-27 17:49:30
○ 2026-07-27 20:59:28
● 2026-07-27 22:21:50
○ 2026-07-28 02:22:52
○ 2026-08-13 05:15:24

○A13.33.131.622026-07-25 → 2026-07-27 · 20 obs

○A13.33.131.662026-07-25 → 2026-07-27 · 20 obs

○A13.33.131.972026-07-25 → 2026-07-27 · 20 obs

○A13.33.235.1192026-07-14 → 2026-08-12 · 24 obs

○ 2026-07-11 07:37:28
● 2026-07-14 05:31:30
○ 2026-07-14 13:09:10
● 2026-07-18 19:23:48
○ 2026-07-19 09:23:34
● 2026-08-06 21:16:36
○ 2026-08-06 23:11:38
● 2026-08-07 03:04:28
○ 2026-08-07 06:13:58
● 2026-08-07 08:04:16
○ 2026-08-07 09:47:50
● 2026-08-07 12:16:42
○ 2026-08-07 13:37:22
● 2026-08-07 16:01:44
○ 2026-08-07 17:58:40
● 2026-08-09 04:25:00
○ 2026-08-09 07:26:28
● 2026-08-11 15:36:54
○ 2026-08-12 04:06:42
● 2026-08-12 10:44:14
○ 2026-08-12 11:21:28
● 2026-08-12 14:23:36
○ 2026-08-12 17:17:48
○ 2026-08-13 05:15:24

○A13.33.235.432026-07-14 → 2026-08-12 · 24 obs

○A13.33.235.512026-07-14 → 2026-08-12 · 24 obs

○A13.33.235.612026-07-14 → 2026-08-12 · 24 obs

○A18.154.110.1082026-07-01 → 2026-07-01 · 4 obs

○ 2026-07-01 00:16:16
● 2026-07-01 23:54:36
○ 2026-07-03 10:29:42
○ 2026-08-13 05:15:24

○A18.154.110.1092026-07-01 → 2026-07-01 · 4 obs

○ 2026-07-01 00:16:16
● 2026-07-01 23:54:36
○ 2026-07-03 10:29:42
○ 2026-08-13 05:15:24

○A18.154.110.702026-07-01 → 2026-07-01 · 4 obs

○ 2026-07-01 00:16:16
● 2026-07-01 23:54:36
○ 2026-07-03 10:29:42
○ 2026-08-13 05:15:24

○A18.154.110.762026-07-01 → 2026-07-01 · 4 obs

○ 2026-07-01 00:16:16
● 2026-07-01 23:54:36
○ 2026-07-03 10:29:42
○ 2026-08-13 05:15:24

○A18.154.132.152026-07-03 → 2026-08-11 · 64 obs

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

○A18.154.132.52026-07-03 → 2026-08-11 · 64 obs

○A18.154.132.702026-07-03 → 2026-08-11 · 64 obs

○A18.154.132.852026-07-03 → 2026-08-11 · 64 obs

○A18.238.4.122026-07-14 → 2026-07-30 · 32 obs

○ 2026-07-14 05:31:30
● 2026-07-14 13:09:10
○ 2026-07-14 16:00:50
● 2026-07-18 01:57:04
○ 2026-07-18 10:48:36
● 2026-07-24 15:49:28
○ 2026-07-25 04:13:04
● 2026-07-25 13:20:20
○ 2026-07-25 15:44:14
● 2026-07-25 19:04:10
○ 2026-07-25 19:44:24
● 2026-07-25 23:11:22
○ 2026-07-26 03:34:12
● 2026-07-26 04:23:44
○ 2026-07-26 05:34:32
● 2026-07-26 10:50:30
○ 2026-07-26 11:32:16
● 2026-07-28 03:42:10
○ 2026-07-28 05:08:50
● 2026-07-28 12:03:12
○ 2026-07-28 13:30:22
● 2026-07-28 22:14:18
○ 2026-07-28 23:51:26
● 2026-07-29 17:24:28
○ 2026-07-29 18:32:26
● 2026-07-30 01:12:06
○ 2026-07-30 02:07:24
● 2026-07-30 02:43:10
○ 2026-07-30 05:00:22
● 2026-07-30 06:33:46
○ 2026-07-30 11:22:08
○ 2026-08-13 05:15:24

○A18.238.4.232026-07-14 → 2026-07-30 · 32 obs

○A18.238.4.72026-07-14 → 2026-07-30 · 32 obs

○A18.238.4.942026-07-14 → 2026-07-30 · 32 obs

○A18.245.175.1252026-07-27 → 2026-07-28 · 18 obs

○ 2026-07-26 11:32:16
● 2026-07-27 04:15:04
○ 2026-07-27 05:59:42
● 2026-07-27 07:45:10
○ 2026-07-27 13:12:12
● 2026-07-27 14:42:48
○ 2026-07-27 16:34:04
● 2026-07-27 17:18:04
○ 2026-07-27 17:49:30
● 2026-07-27 20:59:28
○ 2026-07-27 22:21:50
● 2026-07-28 02:22:52
○ 2026-07-28 02:56:46
● 2026-07-28 15:51:44
○ 2026-07-28 17:50:38
● 2026-07-28 20:48:16
○ 2026-07-28 22:14:18
○ 2026-08-13 05:15:24

○A18.245.175.1282026-07-27 → 2026-07-28 · 18 obs

○A18.245.175.312026-07-27 → 2026-07-28 · 18 obs

○A18.245.175.432026-07-27 → 2026-07-28 · 18 obs

○A216.137.53.112026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-27 23:43:24
● 2026-06-28 05:47:06
○ 2026-07-01 00:16:16
○ 2026-08-13 05:15:24

○A216.137.53.1192026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-27 23:43:24
● 2026-06-28 05:47:06
○ 2026-07-01 00:16:16
○ 2026-08-13 05:15:24

○A216.137.53.482026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-27 23:43:24
● 2026-06-28 05:47:06
○ 2026-07-01 00:16:16
○ 2026-08-13 05:15:24

○A216.137.53.692026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-27 23:43:24
● 2026-06-28 05:47:06
○ 2026-07-01 00:16:16
○ 2026-08-13 05:15:24

○A3.163.10.1092026-07-01 → 2026-08-13 · 89 obs

○ 2026-06-28 05:47:06
● 2026-07-01 00:16:16
○ 2026-07-01 23:54:36
● 2026-07-03 18:33:20
○ 2026-07-04 01:04:00
● 2026-07-04 08:25:20
○ 2026-07-04 23:55:08
● 2026-07-05 11:09:48
○ 2026-07-07 15:08:16
● 2026-07-08 00:13:58
○ 2026-07-09 17:46:54
● 2026-07-10 02:01:48
○ 2026-07-10 15:44:36
● 2026-07-11 07:37:28
○ 2026-07-14 05:31:30
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○A3.163.10.1282026-07-01 → 2026-08-13 · 89 obs

○A3.163.10.252026-07-01 → 2026-08-13 · 89 obs

○A3.163.10.732026-07-01 → 2026-08-13 · 89 obs

○A3.163.83.302026-07-29 → 2026-07-29 · 4 obs

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○A3.163.83.362026-07-29 → 2026-07-29 · 4 obs

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○A3.163.83.852026-07-29 → 2026-07-29 · 4 obs

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○A3.163.83.962026-07-29 → 2026-07-29 · 4 obs

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○A52.30.150.1432016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
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○A54.154.249.1062016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
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○A54.240.184.1002026-07-27 → 2026-07-28 · 8 obs

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○A54.240.184.242026-07-27 → 2026-07-28 · 8 obs

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○A54.240.184.482026-07-27 → 2026-07-28 · 8 obs

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○A54.77.201.1692016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
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○A99.84.132.1022026-06-27 → 2026-07-30 · 26 obs

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○A99.84.132.952026-06-27 → 2026-07-30 · 26 obs

○CNAMEcluster15-1636979305.eu-west-1.elb.amazonaws.com2016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
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○CNAMEcluster15.instructure.com2016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
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○CNAMEcluster215.instructure.com2026-03-12 → 2026-03-12 · 4 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, j.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: 318ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.85.116, 108.138.85.2...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

isdi.instructure.com has four IP addresses: 108.138.85.2, 108.138.85.10, 108.138.85.116 and 108.138.85.123.

Additional host names — www.go989fb1.com, d35xkxcjdi89iy.cloudfront.net, www.tk69m6.com and two others — share IP numbers with isdi.instructure.com.

isdi.instructure.com - robtex.com