jblearning.us - dns.ninja
jblearning.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns01.ascendlearning.com ⚠️ Not in zone NS records | ||||||
| A | 198.187.138.235🇺🇸 AS40062198.187.138.0/23 CyrusOne - Proxy for Customer | ||||||
| NS | dns02.ascendlearning.com ⚠️ Not in zone NS records | ||||||
| A | 198.187.138.236🇺🇸 AS40062198.187.138.0/23 CyrusOne - Proxy for Customer | ||||||
| PTR | dns02.ascendlearning.com | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1783161964 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSdns01.ascendlearning.com2026-03-24 → 2026-07-04 · 2 obs
● 2026-07-04 11:27:12
●NSdns02.ascendlearning.com2026-03-24 → 2026-07-04 · 2 obs
● 2026-07-04 11:27:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| jblearning.us | dns01.ascendlearning.com, dns02.ascendlearning.com | - |
✅ Authoritative Response
Server:198.187.138.236
NS records: dns01.ascendlearning.com, dns02.ascendlearning.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jblearning.us (unsigned zone)
⏱️ Timing
Total: 4433ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
DNS delegation for jblearning.us points to two name servers: dns01.ascendlearning.com and dns02.ascendlearning.com.
jblearning.us uses the same name servers as several other domains — among them principlesofpolysomnography.com, jblearning.mobi, nha2000.com and two more.
The name servers of jblearning.us overlap at least partially with those of other domains — among them introhcmanagement.com, computerscienceilluminated.com, 138.187.198.in-addr.arpa and two more.
Both dns01.ascendlearning.com and dns02.ascendlearning.com have a single IP address each — dns01.ascendlearning.com resolves to 198.187.138.235 while dns02.ascendlearning.com resolves to 198.187.138.236.