`cluster57.test.instructure.com`

CNAME	`cluster1.test.instructure.com`
CNAME	`canvas-iad-test-c1-1750115574.us-east-1.elb.amazonaws.com`
DNSSEC	⚠️ Not signed
A	44.199.182.214^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
		PTR	`ec2-44-199-182-214.compute-1.amazonaws.com`
A	44.199.222.21^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
A	44.199.240.195^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}

`test.instructure.com`

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

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

DNS History

5 records (1 active, 4 former)

○A52.202.243.1952017-04-18 → 2017-04-18 · 3 obs

● 2017-04-18 08:18:04
○ 2026-04-06 10:47:24
○ 2026-04-12 13:08:22

○A52.44.211.1212017-04-18 → 2017-04-18 · 3 obs

● 2017-04-18 08:18:04
○ 2026-04-06 10:47:24
○ 2026-04-12 13:08:22

○A52.55.74.802017-04-18 → 2017-04-18 · 3 obs

● 2017-04-18 08:18:04
○ 2026-04-06 10:47:24
○ 2026-04-12 13:08:22

○CNAMEcanvas-iad-test-c1-2089074074.us-east-1.elb.amazonaws.com2017-04-18 → 2017-04-18 · 3 obs

● 2017-04-18 08:18:04
○ 2026-04-06 10:47:24
○ 2026-04-12 13:08:22

●CNAMEcluster1.test.instructure.com2017-04-18 → 2026-04-12 · 2 obs

● 2017-04-18 08:18:04
● 2026-04-12 13:08:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, m.gtld-servers.net, i.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: 336ms | 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

cluster57.test.instructure.com resolves to three IP numbers: 44.199.182.214, 44.199.222.21 and 44.199.240.195.

Other host names, for instance, canvas-iad-prod-c346-2117316508.us-east-1.elb.amazonaws.com and canvas-iad-test-c1-1750115574.us-east-1.elb.amazonaws.com share IP numbers with cluster57.test.instructure.com.

cluster57.test.instructure.com - robtex.com