`burrellcollege.instructure.com`

DNSSEC	⚠️ Not signed
A	99.86.12.2
		PTR	`server-99-86-12-2.lhr95.r.cloudfront.net`
A	99.86.12.20
A	99.86.12.88
A	99.86.12.129

`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=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	`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 #1325 globally
rank #718 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #844

DNS History

29 records (4 active, 25 former)

○A108.158.186.1162026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 17:09:54
● 2026-04-28 00:39:54
○ 2026-04-28 01:22:58
● 2026-04-28 03:34:46
○ 2026-04-28 04:37:16
○ 2026-04-30 14:34:38

○A108.158.186.22026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 17:09:54
● 2026-04-28 00:39:54
○ 2026-04-28 01:22:58
● 2026-04-28 03:34:46
○ 2026-04-28 04:37:16
○ 2026-04-30 14:34:38

○A108.158.186.342026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 17:09:54
● 2026-04-28 00:39:54
○ 2026-04-28 01:22:58
● 2026-04-28 03:34:46
○ 2026-04-28 04:37:16
○ 2026-04-30 14:34:38

○A108.158.186.992026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 17:09:54
● 2026-04-28 00:39:54
○ 2026-04-28 01:22:58
● 2026-04-28 03:34:46
○ 2026-04-28 04:37:16
○ 2026-04-30 14:34:38

○A13.226.144.122026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 02:24:32
● 2026-04-21 16:27:54
○ 2026-04-23 23:45:04
○ 2026-04-30 14:34:38

○A13.226.144.432026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 02:24:32
● 2026-04-21 16:27:54
○ 2026-04-23 23:45:04
○ 2026-04-30 14:34:38

○A13.226.144.62026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 02:24:32
● 2026-04-21 16:27:54
○ 2026-04-23 23:45:04
○ 2026-04-30 14:34:38

○A13.226.144.612026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-21 02:24:32
● 2026-04-21 16:27:54
○ 2026-04-23 23:45:04
○ 2026-04-30 14:34:38

○A13.227.107.302026-04-21 → 2026-04-29 · 24 obs

○ 2026-03-06 12:11:22
● 2026-04-21 02:24:32
○ 2026-04-21 16:27:54
○ 2026-04-25 00:31:48
● 2026-04-25 03:23:40
● 2026-04-25 04:36:56
○ 2026-04-25 06:25:16
○ 2026-04-26 21:33:38
● 2026-04-27 00:22:48
○ 2026-04-27 01:27:02
● 2026-04-27 02:31:10
○ 2026-04-27 03:10:02
● 2026-04-27 03:58:56
○ 2026-04-27 05:14:26
● 2026-04-27 06:09:06
○ 2026-04-27 07:08:54
○ 2026-04-29 07:21:24
● 2026-04-29 07:57:30
○ 2026-04-29 08:58:26
● 2026-04-29 09:42:46
○ 2026-04-29 10:13:40
● 2026-04-29 11:46:36
○ 2026-04-29 13:05:08
○ 2026-04-30 14:34:38

○A13.227.107.462026-04-21 → 2026-04-29 · 24 obs

○A13.227.107.502026-04-21 → 2026-04-29 · 24 obs

○A13.227.107.582026-04-21 → 2026-04-29 · 24 obs

○A13.227.110.22026-04-30 → 2026-04-30 · 5 obs

○ 2026-04-29 22:25:56
● 2026-04-30 00:40:54
● 2026-04-30 01:28:22
○ 2026-04-30 02:41:24
○ 2026-04-30 14:34:38

○A13.227.110.272026-04-30 → 2026-04-30 · 5 obs

○ 2026-04-29 22:25:56
● 2026-04-30 00:40:54
● 2026-04-30 01:28:22
○ 2026-04-30 02:41:24
○ 2026-04-30 14:34:38

○A13.227.110.432026-04-30 → 2026-04-30 · 5 obs

○ 2026-04-29 22:25:56
● 2026-04-30 00:40:54
● 2026-04-30 01:28:22
○ 2026-04-30 02:41:24
○ 2026-04-30 14:34:38

○A13.227.110.772026-04-30 → 2026-04-30 · 5 obs

○ 2026-04-29 22:25:56
● 2026-04-30 00:40:54
● 2026-04-30 01:28:22
○ 2026-04-30 02:41:24
○ 2026-04-30 14:34:38

○A13.33.109.1172026-04-23 → 2026-04-30 · 17 obs

○ 2026-04-21 16:27:54
● 2026-04-23 23:45:04
● 2026-04-24 00:34:26
○ 2026-04-24 03:10:48
○ 2026-04-25 17:35:34
● 2026-04-25 22:36:38
○ 2026-04-25 23:07:08
○ 2026-04-29 03:55:22
● 2026-04-29 07:21:24
○ 2026-04-29 07:57:30
○ 2026-04-29 14:27:40
● 2026-04-29 18:05:48
○ 2026-04-29 18:38:22
○ 2026-04-30 06:42:10
● 2026-04-30 10:16:18
○ 2026-04-30 11:13:22
○ 2026-04-30 14:34:38

○A13.33.109.442026-04-23 → 2026-04-30 · 17 obs

○A13.33.109.942026-04-23 → 2026-04-30 · 17 obs

○A13.33.109.972026-04-23 → 2026-04-30 · 17 obs

○A34.195.177.2092017-05-19 → 2017-05-19 · 3 obs

● 2017-05-19 15:14:42
○ 2026-03-06 12:11:22
○ 2026-04-30 14:34:38

○A52.202.9.1502017-05-19 → 2017-05-19 · 3 obs

● 2017-05-19 15:14:42
○ 2026-03-06 12:11:22
○ 2026-04-30 14:34:38

○A52.72.220.92017-05-19 → 2017-05-19 · 3 obs

● 2017-05-19 15:14:42
○ 2026-03-06 12:11:22
○ 2026-04-30 14:34:38

●A99.86.12.1292026-04-24 → 2026-04-30 · 42 obs

○ 2026-04-24 00:34:26
● 2026-04-24 03:10:48
● 2026-04-25 00:31:48
○ 2026-04-25 03:23:40
○ 2026-04-25 04:36:56
● 2026-04-25 06:25:16
● 2026-04-25 17:35:34
○ 2026-04-25 22:36:38
● 2026-04-25 23:07:08
● 2026-04-26 21:33:38
○ 2026-04-27 00:22:48
● 2026-04-27 01:27:02
○ 2026-04-27 02:31:10
● 2026-04-27 03:10:02
○ 2026-04-27 03:58:56
● 2026-04-27 05:14:26
○ 2026-04-27 06:09:06
● 2026-04-27 07:08:54
● 2026-04-27 17:09:54
○ 2026-04-28 00:39:54
● 2026-04-28 01:22:58
○ 2026-04-28 03:34:46
● 2026-04-28 04:37:16
● 2026-04-29 03:55:22
○ 2026-04-29 07:21:24
○ 2026-04-29 07:57:30
● 2026-04-29 08:58:26
○ 2026-04-29 09:42:46
● 2026-04-29 10:13:40
○ 2026-04-29 11:46:36
● 2026-04-29 13:05:08
● 2026-04-29 14:27:40
○ 2026-04-29 18:05:48
● 2026-04-29 18:38:22
● 2026-04-29 22:25:56
○ 2026-04-30 00:40:54
○ 2026-04-30 01:28:22
● 2026-04-30 02:41:24
● 2026-04-30 06:42:10
○ 2026-04-30 10:16:18
● 2026-04-30 11:13:22
● 2026-04-30 14:34:38

●A99.86.12.22026-04-24 → 2026-04-30 · 42 obs

●A99.86.12.202026-04-24 → 2026-04-30 · 42 obs

●A99.86.12.882026-04-24 → 2026-04-30 · 42 obs

○CNAMEcluster27-1889085143.us-east-1.elb.amazonaws.com2017-05-19 → 2017-05-19 · 3 obs

● 2017-05-19 15:14:42
○ 2026-03-06 12:11:22
○ 2026-04-30 14:34:38

○CNAMEcluster27.instructure.com2017-05-19 → 2026-03-16 · 4 obs

● 2017-05-19 15:14:42
● 2026-03-16 06:19:38
○ 2026-04-21 02:24:32
○ 2026-04-30 14:34:38

🔍 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: 384ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.94, 13.33.109.44...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

Four IP numbers are pointed to by burrellcollege.instructure.com: 99.86.12.2, 99.86.12.20, 99.86.12.88 and 99.86.12.129.

other host names including d1p8tw592anis8.cloudfront.net, d1qyce3aihr9vv.cloudfront.net, alldim.co.kr, d1mq6l2ixzr4lc.cloudfront.net and almar.nl share IP numbers with burrellcollege.instructure.com.

burrellcollege.instructure.com - robtex.com