`cluster44.test.instructure.com`

CNAME	`cluster1.test.instructure.com`
CNAME	`canvas-iad-test-c1-1750115574.us-east-1.elb.amazonaws.com`
DNSSEC	⚠️ Not signed
A	3.237.150.151^{🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-237-150-151.compute-1.amazonaws.com`
A	44.192.141.16^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
A	44.199.223.143^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}

`test.instructure.com`

	DNSSEC	⚠️ Not signed
	TXT	`google-site-verification=D08_RP8Zbi8FVxzuqHwEEGE62jenP0agJ1WD2EGCSiI`

WOT: SAFE (66/100)
WOT: SAFE (87/100)

DNS History

6 records (1 active, 5 former)

○A52.20.50.32017-02-13 → 2017-02-13 · 2 obs

● 2017-02-13 16:36:26
○ 2026-04-11 03:50:50

○A52.206.158.2072017-02-13 → 2017-02-13 · 2 obs

● 2017-02-13 16:36:26
○ 2026-04-11 03:50:50

○A52.5.33.692017-02-13 → 2017-02-13 · 2 obs

● 2017-02-13 16:36:26
○ 2026-04-11 03:50:50

○A52.73.242.1142017-02-13 → 2017-02-13 · 2 obs

● 2017-02-13 16:36:26
○ 2026-04-11 03:50:50

○CNAMEcanvastest-vpc-55618592.us-east-1.elb.amazonaws.com2017-02-13 → 2017-02-13 · 2 obs

● 2017-02-13 16:36:26
○ 2026-04-11 03:50:50

●CNAMEcluster1.test.instructure.com2017-02-13 → 2026-04-11 · 2 obs

● 2017-02-13 16:36:26
● 2026-04-11 03:50:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, b.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
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-
instructure.com	ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net	-

✅ Authoritative Response

Server:205.251.195.228

NS records: ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk, ns-2.awsdns-00.com, ns-996.awsdns-60.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructure.com (unsigned zone)

⏱️ Timing

Total: 437ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`cluster1.test.instructure.com`

📌 Glue Records Collected

Total: 1

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

Analysis

IP Addresses

cluster44.test.instructure.com points to three IP numbers: 3.237.150.151, 44.192.141.16 and 44.199.223.143.

Other host names, for instance oklahoma-vanity.instructure.com and canvas-iad-test-c1-1750115574.us-east-1.elb.amazonaws.com, share IP numbers with cluster44.test.instructure.com.

cluster44.test.instructure.com - robtex.com