courseware.ca - dns.ninja
courseware.ca
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.netfirms.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.24.252Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.netfirms.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.208Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2607251100 | ||||||
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
●NSns1.netfirms.com2015-06-26 → 2026-07-25 · 2 obs
● 2026-07-25 11:22:30
●NSns2.netfirms.com2015-06-26 → 2026-07-25 · 2 obs
● 2026-07-25 11:22:30
○MXmx.courseware.ca2015-06-26 → 2018-08-12 · 4 obs
● 2018-08-12 13:42:48
○ 2026-02-22 22:05:42
○ 2026-07-25 11:22:30
○A66.96.160.1322015-06-26 → 2018-08-12 · 4 obs
● 2018-08-12 13:42:48
○ 2026-02-22 22:05:42
○ 2026-07-25 11:22:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | any.ca-servers.ca, j.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca | - |
| courseware.ca | ns1.netfirms.com, ns2.netfirms.com | - |
✅ Authoritative Response
Server:162.159.25.208
NS records: ns1.netfirms.com, ns2.netfirms.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseware.ca (unsigned zone)
⏱️ Timing
Total: 830ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The NS records for courseware.ca delegate to ns1.netfirms.com and ns2.netfirms.com.
courseware.ca has the same name server delegation as a number of other domains, such as rhicom.net, pchs66.com, auroragranada.com and two more.
At least some of courseware.ca's name servers are shared with other domains, for example acuproacademy.com, gopherpayments.com, dave-elements.com and two more.
These name servers tend to be deployed in combination with the name servers ns1.yourhostingaccount.com and ns2.yourhostingaccount.com.
Each of ns1.netfirms.com and ns2.netfirms.com has one IP address: ns1.netfirms.com uses 162.159.24.252 and ns2.netfirms.com uses 162.159.25.208.