`nu.instructure.com`

DNSSEC	⚠️ Not signed
A	13.226.209.2^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
		PTR	`server-13-226-209-2.iad61.r.cloudfront.net`
A	13.226.209.26^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.92^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.99^{🇺🇸 Amazon13.226.209.0/24 - 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-4mh4xs=A4vkPXqJIA4VVi9GAbxDEPohr`
	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 #1293 globally
rank #699 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,224

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DNS History

12 records (4 active, 8 former)

●A13.226.209.22026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 02:24:34
● 2026-03-27 03:19:14
● 2026-03-27 15:57:04

●A13.226.209.262026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 02:24:34
● 2026-03-27 03:19:14
● 2026-03-27 15:57:04

●A13.226.209.922026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 02:24:34
● 2026-03-27 03:19:14
● 2026-03-27 15:57:04

●A13.226.209.992026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-27 02:24:34
● 2026-03-27 03:19:14
● 2026-03-27 15:57:04

○A13.33.235.392026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 18:55:58
○ 2026-03-26 04:38:34
● 2026-03-26 11:45:32
● 2026-03-26 21:24:32
○ 2026-03-27 01:52:30
● 2026-03-27 02:24:34
○ 2026-03-27 03:19:14
○ 2026-03-27 15:57:04

○A13.33.235.712026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 18:55:58
○ 2026-03-26 04:38:34
● 2026-03-26 11:45:32
● 2026-03-26 21:24:32
○ 2026-03-27 01:52:30
● 2026-03-27 02:24:34
○ 2026-03-27 03:19:14
○ 2026-03-27 15:57:04

○A13.33.235.722026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 18:55:58
○ 2026-03-26 04:38:34
● 2026-03-26 11:45:32
● 2026-03-26 21:24:32
○ 2026-03-27 01:52:30
● 2026-03-27 02:24:34
○ 2026-03-27 03:19:14
○ 2026-03-27 15:57:04

○A13.33.235.862026-03-25 → 2026-03-27 · 8 obs

● 2026-03-25 18:55:58
○ 2026-03-26 04:38:34
● 2026-03-26 11:45:32
● 2026-03-26 21:24:32
○ 2026-03-27 01:52:30
● 2026-03-27 02:24:34
○ 2026-03-27 03:19:14
○ 2026-03-27 15:57:04

○A18.245.218.1162026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 18:55:58
● 2026-03-26 04:38:34
○ 2026-03-26 11:45:32
○ 2026-03-26 21:24:32
● 2026-03-27 01:52:30
○ 2026-03-27 02:24:34
○ 2026-03-27 15:57:04

○A18.245.218.372026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 18:55:58
● 2026-03-26 04:38:34
○ 2026-03-26 11:45:32
○ 2026-03-26 21:24:32
● 2026-03-27 01:52:30
○ 2026-03-27 02:24:34
○ 2026-03-27 15:57:04

○A18.245.218.52026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 18:55:58
● 2026-03-26 04:38:34
○ 2026-03-26 11:45:32
○ 2026-03-26 21:24:32
● 2026-03-27 01:52:30
○ 2026-03-27 02:24:34
○ 2026-03-27 15:57:04

○A18.245.218.962026-03-26 → 2026-03-27 · 7 obs

○ 2026-03-25 18:55:58
● 2026-03-26 04:38:34
○ 2026-03-26 11:45:32
○ 2026-03-26 21:24:32
● 2026-03-27 01:52:30
○ 2026-03-27 02:24:34
○ 2026-03-27 15:57:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, g.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	1 record

✅ 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: 357ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.209.26, 13.226.209.92...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-2.awsdns-00.com)

Analysis

IP Addresses

nu.instructure.com points to four IP numbers: 13.226.209.2, 13.226.209.26, 13.226.209.92 and 13.226.209.99.

For instance, other host names bubosafety.com, dp2vqfd92lu09.cloudfront.net, meeten.com, mcdonalds.jobs.cz and transipnoc.nl share IP numbers with nu.instructure.com.

nu.instructure.com - robtex.com