stem.instructure.com - dns.ninja

`stem.instructure.com`

DNSSEC	⚠️ Not signed
A	108.158.186.2^{🇺🇸 Amazon108.158.184.0/22}
		PTR	`server-108-158-186-2.gig52.r.cloudfront.net`
A	108.158.186.34^{🇺🇸 Amazon108.158.184.0/22}
A	108.158.186.99^{🇺🇸 Amazon108.158.184.0/22}
A	108.158.186.116^{🇺🇸 Amazon108.158.184.0/22}

`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 (83/100)
rank #1455 globally
rank #781 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,905

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DNS History

41 records (4 active, 37 former)

○A108.138.103.1072026-07-20 → 2026-07-24 · 18 obs

○ 2026-07-20 15:01:24
● 2026-07-20 19:03:46
○ 2026-07-21 01:36:14
● 2026-07-21 06:09:54
○ 2026-07-21 07:49:18
● 2026-07-21 09:25:28
○ 2026-07-21 13:47:02
● 2026-07-21 16:44:46
○ 2026-07-21 21:10:12
● 2026-07-22 11:20:20
○ 2026-07-22 21:01:30
● 2026-07-23 04:38:42
○ 2026-07-23 06:27:42
● 2026-07-23 11:19:20
○ 2026-07-23 22:38:44
● 2026-07-24 02:15:42
○ 2026-07-24 04:50:30
○ 2026-07-27 18:07:34

○A108.138.103.32026-07-20 → 2026-07-24 · 18 obs

○A108.138.103.572026-07-20 → 2026-07-24 · 18 obs

○A108.138.103.992026-07-20 → 2026-07-24 · 18 obs

●A108.158.186.1162026-07-24 → 2026-07-27 · 17 obs

○ 2026-07-24 02:15:42
● 2026-07-24 04:50:30
○ 2026-07-24 08:51:06
● 2026-07-24 14:38:00
○ 2026-07-25 04:30:36
● 2026-07-25 16:57:16
○ 2026-07-25 22:22:00
● 2026-07-26 02:40:48
○ 2026-07-26 13:33:14
● 2026-07-26 14:17:32
○ 2026-07-26 15:41:58
● 2026-07-26 17:55:54
○ 2026-07-26 22:32:24
● 2026-07-27 02:35:52
○ 2026-07-27 05:36:38
● 2026-07-27 17:11:48
● 2026-07-27 18:07:34

●A108.158.186.22026-07-24 → 2026-07-27 · 17 obs

●A108.158.186.342026-07-24 → 2026-07-27 · 17 obs

●A108.158.186.992026-07-24 → 2026-07-27 · 17 obs

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

○ 2026-07-24 14:38:00
● 2026-07-25 04:30:36
○ 2026-07-25 12:03:24
○ 2026-07-27 18:07:34

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

○ 2026-07-24 14:38:00
● 2026-07-25 04:30:36
○ 2026-07-25 12:03:24
○ 2026-07-27 18:07:34

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

○ 2026-07-24 14:38:00
● 2026-07-25 04:30:36
○ 2026-07-25 12:03:24
○ 2026-07-27 18:07:34

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

○ 2026-07-24 14:38:00
● 2026-07-25 04:30:36
○ 2026-07-25 12:03:24
○ 2026-07-27 18:07:34

○A13.35.107.302026-07-20 → 2026-07-25 · 14 obs

○ 2017-01-03 05:21:28
● 2026-07-20 15:01:24
○ 2026-07-20 19:03:46
● 2026-07-21 08:40:02
○ 2026-07-21 09:25:28
● 2026-07-22 00:41:48
○ 2026-07-22 11:20:20
● 2026-07-23 06:27:42
○ 2026-07-23 10:11:02
● 2026-07-25 12:03:24
○ 2026-07-25 12:59:20
● 2026-07-25 22:22:00
○ 2026-07-26 02:40:48
○ 2026-07-27 18:07:34

○A13.35.107.492026-07-20 → 2026-07-25 · 14 obs

○A13.35.107.542026-07-20 → 2026-07-25 · 14 obs

○A13.35.107.662026-07-20 → 2026-07-25 · 14 obs

○A3.165.113.1062026-07-26 → 2026-07-27 · 10 obs

○ 2026-07-26 02:40:48
● 2026-07-26 13:33:14
○ 2026-07-26 14:17:32
● 2026-07-26 15:41:58
○ 2026-07-26 17:55:54
● 2026-07-26 22:32:24
○ 2026-07-27 02:35:52
● 2026-07-27 05:36:38
○ 2026-07-27 06:59:10
○ 2026-07-27 18:07:34

○A3.165.113.142026-07-26 → 2026-07-27 · 10 obs

○A3.165.113.822026-07-26 → 2026-07-27 · 10 obs

○A3.165.113.962026-07-26 → 2026-07-27 · 10 obs

○A3.174.59.242026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 12:03:24
● 2026-07-25 12:59:20
○ 2026-07-25 15:43:30
○ 2026-07-27 18:07:34

○A3.174.59.472026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 12:03:24
● 2026-07-25 12:59:20
○ 2026-07-25 15:43:30
○ 2026-07-27 18:07:34

○A3.174.59.952026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 12:03:24
● 2026-07-25 12:59:20
○ 2026-07-25 15:43:30
○ 2026-07-27 18:07:34

○A3.174.59.962026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 12:03:24
● 2026-07-25 12:59:20
○ 2026-07-25 15:43:30
○ 2026-07-27 18:07:34

○A52.21.69.322017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 05:21:28
○ 2026-07-20 15:01:24
○ 2026-07-27 18:07:34

○A52.72.77.1962017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 05:21:28
○ 2026-07-20 15:01:24
○ 2026-07-27 18:07:34

○A52.85.78.1232026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-27 05:36:38
● 2026-07-27 06:59:10
○ 2026-07-27 10:40:34
○ 2026-07-27 18:07:34

○A52.85.78.1262026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-27 05:36:38
● 2026-07-27 06:59:10
○ 2026-07-27 10:40:34
○ 2026-07-27 18:07:34

○A52.85.78.342026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-27 05:36:38
● 2026-07-27 06:59:10
○ 2026-07-27 10:40:34
○ 2026-07-27 18:07:34

○A52.85.78.722026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-27 05:36:38
● 2026-07-27 06:59:10
○ 2026-07-27 10:40:34
○ 2026-07-27 18:07:34

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

○ 2026-07-27 06:59:10
● 2026-07-27 10:40:34
○ 2026-07-27 17:11:48
○ 2026-07-27 18:07:34

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

○ 2026-07-27 06:59:10
● 2026-07-27 10:40:34
○ 2026-07-27 17:11:48
○ 2026-07-27 18:07:34

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

○ 2026-07-27 06:59:10
● 2026-07-27 10:40:34
○ 2026-07-27 17:11:48
○ 2026-07-27 18:07:34

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

○ 2026-07-27 06:59:10
● 2026-07-27 10:40:34
○ 2026-07-27 17:11:48
○ 2026-07-27 18:07:34

○A99.84.41.1012026-07-21 → 2026-07-25 · 20 obs

○ 2026-07-20 19:03:46
● 2026-07-21 01:36:14
○ 2026-07-21 06:09:54
● 2026-07-21 07:49:18
○ 2026-07-21 08:40:02
● 2026-07-21 13:47:02
○ 2026-07-21 16:44:46
● 2026-07-21 21:10:12
○ 2026-07-22 00:41:48
● 2026-07-22 21:01:30
○ 2026-07-23 04:38:42
● 2026-07-23 10:11:02
○ 2026-07-23 11:19:20
● 2026-07-23 22:38:44
○ 2026-07-24 02:15:42
● 2026-07-24 08:51:06
○ 2026-07-24 14:38:00
● 2026-07-25 15:43:30
○ 2026-07-25 16:57:16
○ 2026-07-27 18:07:34

○A99.84.41.152026-07-21 → 2026-07-25 · 20 obs

○A99.84.41.362026-07-21 → 2026-07-25 · 20 obs

○A99.84.41.722026-07-21 → 2026-07-25 · 20 obs

○CNAMEcluster223.instructure.com2026-07-20 → 2026-07-27 · 2 obs

○ 2026-07-20 15:01:24
○ 2026-07-27 18:07:34

○CNAMEcluster39-1726031855.us-east-1.elb.amazonaws.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 05:21:28
○ 2026-07-20 15:01:24
○ 2026-07-27 18:07:34

○CNAMEcluster39.instructure.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 05:21:28
○ 2026-07-20 15:01:24
○ 2026-07-27 18:07:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, l.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: 245ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.66, 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

stem.instructure.com resolves to four IP addresses: 108.158.186.2, 108.158.186.34, 108.158.186.99 and 108.158.186.116.

Additional host names — d285kx7vcamu7u.cloudfront.net, www.party-calendar.net, dkge45l7uidh6.cloudfront.net and two others — share IP numbers with stem.instructure.com.