course-notes.com - dns.ninja
course-notes.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.hostassured.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.hostassured.com ⚠️ Not in zone NS records | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786349769 | ||||||
Same first word
course-notes.com |
course-notes.org |
DNS History
2 records (2 active, 0 former)
●NSns.hostassured.com2026-06-19 → 2026-08-10 · 2 obs
● 2026-06-19 10:03:16
● 2026-08-10 08:24:08
● 2026-08-10 08:24:08
●NSns2.hostassured.com2026-06-19 → 2026-08-10 · 2 obs
● 2026-06-19 10:03:16
● 2026-08-10 08:24:08
● 2026-08-10 08:24:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| course-notes.com | ns2.hostassured.com, ns.hostassured.com | 2 records |
✅ Authoritative Response
Server:69.167.187.58
NS records: ns2.hostassured.com, ns.hostassured.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for course-notes.com (unsigned zone)
⏱️ Timing
Total: 173ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.hostassured.com, ns.hostassured.com)
Analysis
Name Servers
course-notes.com uses two name servers for its delegation: ns2.hostassured.com and ns.hostassured.com.
course-notes.com uses the same name servers as other domains — shaysparks.com being one example.
At least some of course-notes.com's name servers are also used by other domains, among them fmpusa.com.
These name servers tend to be deployed in combination with the name servers ns1.hostsites4u.com and ns2.hostsites4u.com.