kcs.instructure.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`kcs.instructure.com`

DNSSEC	⚠️ Not signed
A	3.161.213.47^{🇺🇸 Amazon3.161.208.0/21}
		PTR	`server-3-161-213-47.yul62.r.cloudfront.net`
A	3.161.213.61^{🇺🇸 Amazon3.161.208.0/21}
A	3.161.213.66^{🇺🇸 Amazon3.161.208.0/21}
A	3.161.213.72^{🇺🇸 Amazon3.161.208.0/21}

`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 #1478 globally
rank #792 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #2,119

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DNS History

62 records (4 active, 58 former)

○A108.138.103.1072026-07-01 → 2026-08-16 · 28 obs

○ 2026-06-08 11:04:24
● 2026-07-01 01:27:44
○ 2026-07-02 23:36:28
● 2026-07-03 19:01:12
○ 2026-07-13 12:01:50
● 2026-07-14 10:37:34
○ 2026-07-14 12:27:22
● 2026-07-14 18:50:38
○ 2026-07-21 01:32:14
● 2026-07-21 08:58:56
○ 2026-07-21 17:52:54
● 2026-07-21 20:30:50
○ 2026-07-23 06:57:28
● 2026-07-23 11:05:20
○ 2026-07-24 09:11:08
● 2026-07-31 04:02:24
○ 2026-07-31 22:27:00
● 2026-08-01 03:48:14
○ 2026-08-03 08:02:22
● 2026-08-03 23:04:14
○ 2026-08-11 18:06:12
● 2026-08-11 23:47:32
○ 2026-08-15 05:52:38
● 2026-08-15 08:12:48
○ 2026-08-16 04:52:30
● 2026-08-16 05:55:02
○ 2026-08-16 13:31:06
○ 2026-08-16 14:45:00

○A108.138.103.32026-07-01 → 2026-08-16 · 28 obs

○A108.138.103.572026-07-01 → 2026-08-16 · 28 obs

○A108.138.103.992026-07-01 → 2026-08-16 · 28 obs

○A108.158.186.1162026-07-02 → 2026-07-24 · 6 obs

○ 2026-07-01 01:27:44
● 2026-07-02 23:36:28
○ 2026-07-03 19:01:12
● 2026-07-24 09:11:08
○ 2026-07-25 14:38:08
○ 2026-08-16 14:45:00

○A108.158.186.22026-07-02 → 2026-07-24 · 6 obs

○ 2026-07-01 01:27:44
● 2026-07-02 23:36:28
○ 2026-07-03 19:01:12
● 2026-07-24 09:11:08
○ 2026-07-25 14:38:08
○ 2026-08-16 14:45:00

○A108.158.186.342026-07-02 → 2026-07-24 · 6 obs

○ 2026-07-01 01:27:44
● 2026-07-02 23:36:28
○ 2026-07-03 19:01:12
● 2026-07-24 09:11:08
○ 2026-07-25 14:38:08
○ 2026-08-16 14:45:00

○A108.158.186.992026-07-02 → 2026-07-24 · 6 obs

○ 2026-07-01 01:27:44
● 2026-07-02 23:36:28
○ 2026-07-03 19:01:12
● 2026-07-24 09:11:08
○ 2026-07-25 14:38:08
○ 2026-08-16 14:45:00

○A13.226.238.1152026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-11 23:47:32
● 2026-08-15 05:52:38
○ 2026-08-15 06:24:34
○ 2026-08-16 14:45:00

○A13.226.238.402026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-11 23:47:32
● 2026-08-15 05:52:38
○ 2026-08-15 06:24:34
○ 2026-08-16 14:45:00

○A13.226.238.762026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-11 23:47:32
● 2026-08-15 05:52:38
○ 2026-08-15 06:24:34
○ 2026-08-16 14:45:00

○A13.226.238.982026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-11 23:47:32
● 2026-08-15 05:52:38
○ 2026-08-15 06:24:34
○ 2026-08-16 14:45:00

○A13.227.110.22026-05-24 → 2026-05-31 · 9 obs

○ 2026-02-15 23:01:16
● 2026-05-24 06:54:08
○ 2026-05-24 08:53:32
● 2026-05-29 11:19:02
○ 2026-05-30 01:24:12
○ 2026-05-30 04:36:34
● 2026-05-31 14:34:38
○ 2026-06-01 18:14:08
○ 2026-08-16 14:45:00

○A13.227.110.272026-05-24 → 2026-05-31 · 9 obs

○A13.227.110.432026-05-24 → 2026-05-31 · 9 obs

○A13.227.110.772026-05-24 → 2026-05-31 · 9 obs

○A13.33.131.1272026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 09:11:08
● 2026-07-25 14:38:08
○ 2026-07-28 09:19:58
○ 2026-08-16 14:45:00

○A13.33.131.272026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 09:11:08
● 2026-07-25 14:38:08
○ 2026-07-28 09:19:58
○ 2026-08-16 14:45:00

○A13.33.131.382026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 09:11:08
● 2026-07-25 14:38:08
○ 2026-07-28 09:19:58
○ 2026-08-16 14:45:00

○A13.33.131.772026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 09:11:08
● 2026-07-25 14:38:08
○ 2026-07-28 09:19:58
○ 2026-08-16 14:45:00

○A13.35.107.302026-07-14 → 2026-07-29 · 10 obs

○ 2026-07-13 12:01:50
● 2026-07-14 08:21:52
○ 2026-07-14 10:37:34
● 2026-07-14 12:27:22
○ 2026-07-14 18:50:38
● 2026-07-21 19:20:06
○ 2026-07-21 20:30:50
● 2026-07-29 21:28:38
○ 2026-07-29 22:58:44
○ 2026-08-16 14:45:00

○A13.35.107.492026-07-14 → 2026-07-29 · 10 obs

○A13.35.107.542026-07-14 → 2026-07-29 · 10 obs

○A13.35.107.662026-07-14 → 2026-07-29 · 10 obs

○A18.154.110.1102026-05-24 → 2026-06-05 · 10 obs

○ 2026-05-24 06:54:08
● 2026-05-24 08:53:32
○ 2026-05-29 11:19:02
● 2026-05-30 01:24:12
● 2026-05-30 04:36:34
○ 2026-05-31 14:34:38
● 2026-06-01 18:14:08
● 2026-06-05 20:42:40
○ 2026-06-08 11:04:24
○ 2026-08-16 14:45:00

○A18.154.110.32026-05-24 → 2026-06-05 · 10 obs

○A18.154.110.492026-05-24 → 2026-06-05 · 10 obs

○A18.154.110.522026-05-24 → 2026-06-05 · 10 obs

○A18.160.18.1022026-08-11 → 2026-08-15 · 6 obs

○ 2026-08-03 23:04:14
● 2026-08-11 18:06:12
○ 2026-08-11 23:47:32
● 2026-08-15 06:24:34
○ 2026-08-15 08:12:48
○ 2026-08-16 14:45:00

○A18.160.18.112026-08-11 → 2026-08-15 · 6 obs

○ 2026-08-03 23:04:14
● 2026-08-11 18:06:12
○ 2026-08-11 23:47:32
● 2026-08-15 06:24:34
○ 2026-08-15 08:12:48
○ 2026-08-16 14:45:00

○A18.160.18.1192026-08-11 → 2026-08-15 · 6 obs

○ 2026-08-03 23:04:14
● 2026-08-11 18:06:12
○ 2026-08-11 23:47:32
● 2026-08-15 06:24:34
○ 2026-08-15 08:12:48
○ 2026-08-16 14:45:00

○A18.160.18.1262026-08-11 → 2026-08-15 · 6 obs

○ 2026-08-03 23:04:14
● 2026-08-11 18:06:12
○ 2026-08-11 23:47:32
● 2026-08-15 06:24:34
○ 2026-08-15 08:12:48
○ 2026-08-16 14:45:00

○A18.165.122.1182026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-03 19:01:12
● 2026-07-13 12:01:50
○ 2026-07-14 08:21:52
○ 2026-08-16 14:45:00

○A18.165.122.562026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-03 19:01:12
● 2026-07-13 12:01:50
○ 2026-07-14 08:21:52
○ 2026-08-16 14:45:00

○A18.165.122.752026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-03 19:01:12
● 2026-07-13 12:01:50
○ 2026-07-14 08:21:52
○ 2026-08-16 14:45:00

○A18.165.122.942026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-03 19:01:12
● 2026-07-13 12:01:50
○ 2026-07-14 08:21:52
○ 2026-08-16 14:45:00

○A18.64.155.1012026-07-28 → 2026-07-30 · 8 obs

○ 2026-07-28 09:19:58
● 2026-07-28 13:17:56
○ 2026-07-29 21:28:38
● 2026-07-29 22:58:44
○ 2026-07-30 05:00:24
● 2026-07-30 10:00:16
○ 2026-07-31 04:02:24
○ 2026-08-16 14:45:00

○A18.64.155.322026-07-28 → 2026-07-30 · 8 obs

○ 2026-07-28 09:19:58
● 2026-07-28 13:17:56
○ 2026-07-29 21:28:38
● 2026-07-29 22:58:44
○ 2026-07-30 05:00:24
● 2026-07-30 10:00:16
○ 2026-07-31 04:02:24
○ 2026-08-16 14:45:00

○A18.64.155.352026-07-28 → 2026-07-30 · 8 obs

○ 2026-07-28 09:19:58
● 2026-07-28 13:17:56
○ 2026-07-29 21:28:38
● 2026-07-29 22:58:44
○ 2026-07-30 05:00:24
● 2026-07-30 10:00:16
○ 2026-07-31 04:02:24
○ 2026-08-16 14:45:00

○A18.64.155.492026-07-28 → 2026-07-30 · 8 obs

○ 2026-07-28 09:19:58
● 2026-07-28 13:17:56
○ 2026-07-29 21:28:38
● 2026-07-29 22:58:44
○ 2026-07-30 05:00:24
● 2026-07-30 10:00:16
○ 2026-07-31 04:02:24
○ 2026-08-16 14:45:00

●A3.161.213.472026-08-16 → 2026-08-16 · 5 obs

○ 2026-08-15 08:12:48
● 2026-08-16 04:52:30
○ 2026-08-16 05:55:02
● 2026-08-16 14:44:58
● 2026-08-16 14:45:00

●A3.161.213.612026-08-16 → 2026-08-16 · 5 obs

○ 2026-08-15 08:12:48
● 2026-08-16 04:52:30
○ 2026-08-16 05:55:02
● 2026-08-16 14:44:58
● 2026-08-16 14:45:00

●A3.161.213.662026-08-16 → 2026-08-16 · 5 obs

○ 2026-08-15 08:12:48
● 2026-08-16 04:52:30
○ 2026-08-16 05:55:02
● 2026-08-16 14:44:58
● 2026-08-16 14:45:00

●A3.161.213.722026-08-16 → 2026-08-16 · 5 obs

○ 2026-08-15 08:12:48
● 2026-08-16 04:52:30
○ 2026-08-16 05:55:02
● 2026-08-16 14:44:58
● 2026-08-16 14:45:00

○A34.198.55.202017-02-13 → 2026-02-15 · 4 obs

● 2017-02-13 16:36:20
● 2026-02-15 23:01:16
○ 2026-05-24 06:54:08
○ 2026-08-16 14:45:00

○A52.202.40.2082017-02-13 → 2026-02-15 · 4 obs

● 2017-02-13 16:36:20
● 2026-02-15 23:01:16
○ 2026-05-24 06:54:08
○ 2026-08-16 14:45:00

○A54.230.79.1112026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-28 09:19:58
○ 2026-07-28 13:17:56
○ 2026-08-16 14:45:00

○A54.230.79.222026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-28 09:19:58
○ 2026-07-28 13:17:56
○ 2026-08-16 14:45:00

○A54.230.79.352026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-28 09:19:58
○ 2026-07-28 13:17:56
○ 2026-08-16 14:45:00

○A54.230.79.822026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-28 09:19:58
○ 2026-07-28 13:17:56
○ 2026-08-16 14:45:00

○A54.85.114.62017-02-13 → 2026-02-15 · 4 obs

● 2017-02-13 16:36:20
● 2026-02-15 23:01:16
○ 2026-05-24 06:54:08
○ 2026-08-16 14:45:00

○A99.84.41.1012026-07-21 → 2026-08-16 · 16 obs

○ 2026-07-14 18:50:38
● 2026-07-21 01:32:14
○ 2026-07-21 08:58:56
● 2026-07-21 17:52:54
○ 2026-07-21 19:20:06
● 2026-07-23 06:57:28
○ 2026-07-23 11:05:20
● 2026-07-30 05:00:24
○ 2026-07-30 10:00:16
● 2026-07-31 22:27:00
○ 2026-08-01 03:48:14
● 2026-08-03 08:02:22
○ 2026-08-03 23:04:14
● 2026-08-16 13:31:06
○ 2026-08-16 14:44:58
○ 2026-08-16 14:45:00

○A99.84.41.152026-07-21 → 2026-08-16 · 16 obs

○A99.84.41.362026-07-21 → 2026-08-16 · 16 obs

○A99.84.41.722026-07-21 → 2026-08-16 · 16 obs

○A99.86.12.1292026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-05 20:42:40
● 2026-06-08 11:04:24
○ 2026-07-01 01:27:44
○ 2026-08-16 14:45:00

○A99.86.12.22026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-05 20:42:40
● 2026-06-08 11:04:24
○ 2026-07-01 01:27:44
○ 2026-08-16 14:45:00

○A99.86.12.202026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-05 20:42:40
● 2026-06-08 11:04:24
○ 2026-07-01 01:27:44
○ 2026-08-16 14:45:00

○A99.86.12.882026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-05 20:42:40
● 2026-06-08 11:04:24
○ 2026-07-01 01:27:44
○ 2026-08-16 14:45:00

○CNAMEcluster235.instructure.com2026-02-15 → 2026-02-15 · 4 obs

○ 2017-02-13 16:36:20
● 2026-02-15 23:01:16
○ 2026-05-24 06:54:08
○ 2026-08-16 14:45:00

○CNAMEcluster40-1189214168.us-east-1.elb.amazonaws.com2017-02-13 → 2017-02-13 · 3 obs

● 2017-02-13 16:36:20
○ 2026-02-15 23:01:16
○ 2026-08-16 14:45:00

○CNAMEcluster40.instructure.com2017-02-13 → 2017-02-13 · 3 obs

● 2017-02-13 16:36:20
○ 2026-02-15 23:01:16
○ 2026-08-16 14:45:00

🔍 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:205.251.197.74

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: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.161.213.66, 3.161.213.61...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

kcs.instructure.com resolves to four IP addresses: 3.161.213.47, 3.161.213.61, 3.161.213.66 and 3.161.213.72.

Additional host names — expocontech.ca, oilsearch.com, d37be5ud33gwm3.cloudfront.net and two others — share IP numbers with kcs.instructure.com.