`dordt.instructure.com`

DNSSEC	⚠️ Not signed
A	13.35.107.30^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
		PTR	`server-13-35-107-30.phl51.r.cloudfront.net`
A	13.35.107.49^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.54^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.66^{🇺🇸 Amazon13.35.107.0/24 -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 #1455 globally
rank #779 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,952

Same first word

dordt.edu

dordt.nl

dordt.org

dordt.net

dordt.biz

dordt.com

Similar names

dortd.com

rtodd.co.uk

rtodd.com

dtord.com

rddot.com

drtod.com

ddrto.com

toddr.com

ddtor.ru

dotrd.com

drdot.net

dodrt.com

drdot.ru

toddr.net

drdot.com

ddtor.com

drodt.de

dtrod.com

DNS History

49 records (4 active, 45 former)

○A108.138.103.1072026-07-03 → 2026-07-31 · 18 obs

○ 2026-07-03 01:20:50
● 2026-07-03 12:09:06
○ 2026-07-13 18:03:52
● 2026-07-13 23:32:02
○ 2026-07-14 01:36:08
● 2026-07-14 14:32:38
○ 2026-07-16 18:46:06
● 2026-07-17 02:27:18
○ 2026-07-19 19:17:20
● 2026-07-19 20:27:10
○ 2026-07-20 20:34:20
● 2026-07-22 02:34:42
○ 2026-07-23 06:30:52
● 2026-07-23 23:22:42
○ 2026-07-24 12:29:38
● 2026-07-31 06:47:40
○ 2026-07-31 10:33:50
○ 2026-07-31 10:33:52

○A108.138.103.32026-07-03 → 2026-07-31 · 18 obs

○A108.138.103.572026-07-03 → 2026-07-31 · 18 obs

○A108.138.103.992026-07-03 → 2026-07-31 · 18 obs

○A108.158.186.1162026-07-03 → 2026-07-27 · 20 obs

○ 2026-07-03 00:39:20
● 2026-07-03 01:20:50
○ 2026-07-03 12:09:06
● 2026-07-13 18:34:32
○ 2026-07-13 19:33:16
● 2026-07-13 21:31:06
○ 2026-07-13 23:32:02
● 2026-07-14 01:36:08
○ 2026-07-14 14:32:38
● 2026-07-23 07:50:48
○ 2026-07-23 23:22:42
● 2026-07-24 12:29:38
○ 2026-07-24 16:20:10
● 2026-07-24 17:31:30
○ 2026-07-25 14:38:08
● 2026-07-26 03:32:36
○ 2026-07-27 15:06:48
● 2026-07-27 21:50:44
○ 2026-07-28 17:13:36
○ 2026-07-31 10:33:52

○A108.158.186.22026-07-03 → 2026-07-27 · 20 obs

○A108.158.186.342026-07-03 → 2026-07-27 · 20 obs

○A108.158.186.992026-07-03 → 2026-07-27 · 20 obs

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

○ 2026-07-24 17:31:30
● 2026-07-25 14:38:08
○ 2026-07-25 23:28:58
○ 2026-07-31 10:33:52

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

○ 2026-07-24 17:31:30
● 2026-07-25 14:38:08
○ 2026-07-25 23:28:58
○ 2026-07-31 10:33:52

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

○ 2026-07-24 17:31:30
● 2026-07-25 14:38:08
○ 2026-07-25 23:28:58
○ 2026-07-31 10:33:52

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

○ 2026-07-24 17:31:30
● 2026-07-25 14:38:08
○ 2026-07-25 23:28:58
○ 2026-07-31 10:33:52

●A13.35.107.302026-07-13 → 2026-07-31 · 27 obs

○ 2026-07-03 12:09:06
● 2026-07-13 18:03:52
○ 2026-07-13 18:34:32
● 2026-07-13 19:33:16
○ 2026-07-13 21:31:06
● 2026-07-16 18:46:06
○ 2026-07-16 21:04:38
● 2026-07-19 19:17:20
○ 2026-07-19 20:27:10
● 2026-07-20 20:34:20
○ 2026-07-20 21:29:44
● 2026-07-23 06:30:52
○ 2026-07-23 07:50:48
● 2026-07-24 16:20:10
○ 2026-07-24 17:31:30
● 2026-07-27 21:19:48
○ 2026-07-27 21:50:44
● 2026-07-28 17:13:36
○ 2026-07-28 18:15:56
● 2026-07-30 02:01:32
○ 2026-07-30 03:09:30
● 2026-07-30 08:27:10
○ 2026-07-30 15:13:40
● 2026-07-31 06:12:18
○ 2026-07-31 06:47:40
● 2026-07-31 10:33:50
● 2026-07-31 10:33:52

●A13.35.107.492026-07-13 → 2026-07-31 · 27 obs

●A13.35.107.542026-07-13 → 2026-07-31 · 27 obs

●A13.35.107.662026-07-13 → 2026-07-31 · 27 obs

○A18.160.18.1022026-07-03 → 2026-07-03 · 4 obs

○ 2017-01-28 00:12:52
● 2026-07-03 00:39:20
○ 2026-07-03 01:20:50
○ 2026-07-31 10:33:52

○A18.160.18.112026-07-03 → 2026-07-03 · 4 obs

○ 2017-01-28 00:12:52
● 2026-07-03 00:39:20
○ 2026-07-03 01:20:50
○ 2026-07-31 10:33:52

○A18.160.18.1192026-07-03 → 2026-07-03 · 4 obs

○ 2017-01-28 00:12:52
● 2026-07-03 00:39:20
○ 2026-07-03 01:20:50
○ 2026-07-31 10:33:52

○A18.160.18.1262026-07-03 → 2026-07-03 · 4 obs

○ 2017-01-28 00:12:52
● 2026-07-03 00:39:20
○ 2026-07-03 01:20:50
○ 2026-07-31 10:33:52

○A18.165.122.1182026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-16 18:46:06
● 2026-07-16 21:04:38
○ 2026-07-17 02:27:18
○ 2026-07-31 10:33:52

○A18.165.122.562026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-16 18:46:06
● 2026-07-16 21:04:38
○ 2026-07-17 02:27:18
○ 2026-07-31 10:33:52

○A18.165.122.752026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-16 18:46:06
● 2026-07-16 21:04:38
○ 2026-07-17 02:27:18
○ 2026-07-31 10:33:52

○A18.165.122.942026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-16 18:46:06
● 2026-07-16 21:04:38
○ 2026-07-17 02:27:18
○ 2026-07-31 10:33:52

○A18.173.252.222026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-30 02:01:32
● 2026-07-30 03:09:30
○ 2026-07-30 03:56:54
○ 2026-07-31 10:33:52

○A18.173.252.512026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-30 02:01:32
● 2026-07-30 03:09:30
○ 2026-07-30 03:56:54
○ 2026-07-31 10:33:52

○A18.173.252.562026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-30 02:01:32
● 2026-07-30 03:09:30
○ 2026-07-30 03:56:54
○ 2026-07-31 10:33:52

○A18.173.252.732026-07-30 → 2026-07-30 · 4 obs

○ 2026-07-30 02:01:32
● 2026-07-30 03:09:30
○ 2026-07-30 03:56:54
○ 2026-07-31 10:33:52

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

○ 2026-07-28 17:13:36
● 2026-07-28 18:15:56
○ 2026-07-30 02:01:32
● 2026-07-30 03:56:54
○ 2026-07-30 05:00:20
● 2026-07-30 15:13:40
○ 2026-07-31 06:12:18
○ 2026-07-31 10:33:52

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

○ 2026-07-28 17:13:36
● 2026-07-28 18:15:56
○ 2026-07-30 02:01:32
● 2026-07-30 03:56:54
○ 2026-07-30 05:00:20
● 2026-07-30 15:13:40
○ 2026-07-31 06:12:18
○ 2026-07-31 10:33:52

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

○ 2026-07-28 17:13:36
● 2026-07-28 18:15:56
○ 2026-07-30 02:01:32
● 2026-07-30 03:56:54
○ 2026-07-30 05:00:20
● 2026-07-30 15:13:40
○ 2026-07-31 06:12:18
○ 2026-07-31 10:33:52

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

○ 2026-07-28 17:13:36
● 2026-07-28 18:15:56
○ 2026-07-30 02:01:32
● 2026-07-30 03:56:54
○ 2026-07-30 05:00:20
● 2026-07-30 15:13:40
○ 2026-07-31 06:12:18
○ 2026-07-31 10:33:52

○A3.165.113.1062026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-25 23:28:58
○ 2026-07-26 03:32:36
○ 2026-07-31 10:33:52

○A3.165.113.142026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-25 23:28:58
○ 2026-07-26 03:32:36
○ 2026-07-31 10:33:52

○A3.165.113.822026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-25 23:28:58
○ 2026-07-26 03:32:36
○ 2026-07-31 10:33:52

○A3.165.113.962026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 14:38:08
● 2026-07-25 23:28:58
○ 2026-07-26 03:32:36
○ 2026-07-31 10:33:52

○A52.1.134.2262017-01-28 → 2017-01-28 · 3 obs

● 2017-01-28 00:12:52
○ 2026-07-03 00:39:20
○ 2026-07-31 10:33:52

○A52.20.111.1752017-01-28 → 2017-01-28 · 3 obs

● 2017-01-28 00:12:52
○ 2026-07-03 00:39:20
○ 2026-07-31 10:33:52

○A52.86.124.572017-01-28 → 2017-01-28 · 3 obs

● 2017-01-28 00:12:52
○ 2026-07-03 00:39:20
○ 2026-07-31 10:33:52

○A99.84.252.232026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-26 03:32:36
● 2026-07-27 15:06:48
○ 2026-07-27 21:19:48
○ 2026-07-31 10:33:52

○A99.84.252.522026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-26 03:32:36
● 2026-07-27 15:06:48
○ 2026-07-27 21:19:48
○ 2026-07-31 10:33:52

○A99.84.252.822026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-26 03:32:36
● 2026-07-27 15:06:48
○ 2026-07-27 21:19:48
○ 2026-07-31 10:33:52

○A99.84.252.962026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-26 03:32:36
● 2026-07-27 15:06:48
○ 2026-07-27 21:19:48
○ 2026-07-31 10:33:52

○A99.84.41.1012026-07-20 → 2026-07-30 · 6 obs

○ 2026-07-20 20:34:20
● 2026-07-20 21:29:44
○ 2026-07-22 02:34:42
● 2026-07-30 05:00:20
○ 2026-07-30 08:27:10
○ 2026-07-31 10:33:52

○A99.84.41.152026-07-20 → 2026-07-30 · 6 obs

○ 2026-07-20 20:34:20
● 2026-07-20 21:29:44
○ 2026-07-22 02:34:42
● 2026-07-30 05:00:20
○ 2026-07-30 08:27:10
○ 2026-07-31 10:33:52

○A99.84.41.362026-07-20 → 2026-07-30 · 6 obs

○ 2026-07-20 20:34:20
● 2026-07-20 21:29:44
○ 2026-07-22 02:34:42
● 2026-07-30 05:00:20
○ 2026-07-30 08:27:10
○ 2026-07-31 10:33:52

○A99.84.41.722026-07-20 → 2026-07-30 · 6 obs

○ 2026-07-20 20:34:20
● 2026-07-20 21:29:44
○ 2026-07-22 02:34:42
● 2026-07-30 05:00:20
○ 2026-07-30 08:27:10
○ 2026-07-31 10:33:52

○CNAMEcluster1-2094101558.us-east-1.elb.amazonaws.com2017-01-28 → 2017-01-28 · 3 obs

● 2017-01-28 00:12:52
○ 2026-07-03 00:39:20
○ 2026-07-31 10:33:52

○CNAMEcluster1.instructure.com2017-01-28 → 2017-01-28 · 3 obs

● 2017-01-28 00:12:52
○ 2026-07-03 00:39:20
○ 2026-07-31 10:33:52

🔍 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:205.251.197.74

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: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.49, 13.35.107.30...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

dordt.instructure.com has four IP addresses: 13.35.107.30, 13.35.107.49, 13.35.107.54 and 13.35.107.66.

Additional host names — d3toy2j3yf5dw3.cloudfront.net, 4433efbca8acfba62e7d183d6cdcaad8.range.immersivelabs.online, 227.api.immersivelabs.online and two others — share IP numbers with dordt.instructure.com.

dordt.instructure.com - robtex.com