cluster97.test.instructure.com - robtex.com
cluster97.test.instructure.com
| CNAME | cluster1.test.instructure.com | ||||||
| CNAME | canvas-iad-test-c1-1750115574.us-east-1.elb.amazonaws.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.237.140.44🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-237-140-44.compute-1.amazonaws.com | ||||||
| A | 44.198.247.74🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
| A | 44.199.224.255🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
test.instructure.com
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | google-site-verification=D08_RP8Zbi8FVxzuqHwEEGE62jenP0agJ1WD2EGCSiI | ||||||
WOT: SAFE (87/100)
DNS History
1 record (1 active, 0 former)
●CNAMEcluster1.test.instructure.com2026-04-06 → 2026-04-06 · 2 obs
● 2026-04-06 05:09:24
● 2026-04-06 10:22:58
● 2026-04-06 10:22:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, h.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: 465ms | 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
cluster97.test.instructure.com points to three IPs: 3.237.140.44, 44.198.247.74 and 44.199.224.255.
Other host names, for instance canvas-iad-test-c1-1750115574.us-east-1.elb.amazonaws.com, share IP numbers with cluster97.test.instructure.com.