www.coursebuilder.ca - robtex.com
www.coursebuilder.ca
| CNAME | coursebuilder.ca | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.63.160.157🇺🇸 AS39810150.63.160.0/21 | ||||||
| PTR | 157.160.63.50.host.secureserver.net | ||||||
| NS | ns17.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c0::9🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| A | 97.74.108.9🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| NS | ns18.domaincontrol.com | ||||||
| A | 2603:5:22c0::9🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| A | 173.201.76.9🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| SOA | ns17.domaincontrol.comdns@jomax.net 2017-09-21 #2 | ||||||
coursebuilder.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.63.160.157🇺🇸 AS39810150.63.160.0/21 | ||||||
| NS | ns17.domaincontrol.com ⭐ | ||||||
| NS | ns18.domaincontrol.com | ||||||
| SOA | ns17.domaincontrol.comdns@jomax.net 2017-09-21 #2 | ||||||
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●CNAMEcoursebuilder.ca2018-05-12 → 2026-08-15 · 2 obs
● 2026-08-15 23:04:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | j.ca-servers.ca, d.ca-servers.ca, c.ca-servers.ca, any.ca-servers.ca | - |
| coursebuilder.ca | ns17.domaincontrol.com, ns18.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.108.9
NS records: ns17.domaincontrol.com, ns18.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursebuilder.ca (unsigned zone)
⏱️ Timing
Total: 561ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | coursebuilder.ca |
Analysis
IP Addresses
www.coursebuilder.ca points to a single IP number: 50.63.160.157.
157.160.63.50.host.secureserver.net and coursebuilder.ca, along with other host names, share IP addresses with www.coursebuilder.ca.
Name Servers
www.coursebuilder.ca has two authoritative name servers — ns17.domaincontrol.com and ns18.domaincontrol.com.
www.coursebuilder.ca shares its name server setup with other domains, including kaltire.com, virtualbdr.com, verdicttools.com and two others.
The name servers for www.coursebuilder.ca overlap at least partially with those of other domains — for example omadhooinn.com.
Both ns17.domaincontrol.com and ns18.domaincontrol.com have two IP addresses each. ns17.domaincontrol.com resolves to 97.74.108.9 and 2603:5:21c0::9; ns18.domaincontrol.com resolves to 173.201.76.9 and 2603:5:22c0::9.