opencoursesolutions.com - dns.ninja
opencoursesolutions.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.41.125.59🇺🇸 Google34.41.0.0/16 | ||||||
| PTR | 59.125.41.34.bc.googleusercontent.com | ||||||
| NS | ns1.active.com ⭐ | ||||||
| A | 156.154.64.28🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | ns1.active.com | ||||||
| NS | ns2.active.com | ||||||
| A | 156.154.65.28🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | ns2.active.com | ||||||
| NS | ns3.active.com | ||||||
| A | 156.154.66.28🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | ns3.active.com | ||||||
| NS | ns4.active.com | ||||||
| A | 156.154.67.28🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | ns4.active.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.active.comhostmaster@active.com 2012-09-11 #6 | ||||||
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=1786762689 | ||||||
Subdomains
www.opencoursesolutions.com |
Same first word
opencoursesolutions.com |
opencoursesolutions.net |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.active.com2015-06-27 → 2026-08-15 · 2 obs
● 2026-08-15 03:20:02
●NSns2.active.com2015-06-27 → 2026-08-15 · 2 obs
● 2026-08-15 03:20:02
●NSns3.active.com2015-06-27 → 2026-08-15 · 2 obs
● 2026-08-15 03:20:02
●NSns4.active.com2015-06-27 → 2026-08-15 · 2 obs
● 2026-08-15 03:20:02
●A34.41.125.592026-02-26 → 2026-08-15 · 3 obs
● 2026-02-26 09:13:20
● 2026-08-15 03:20:02
○A74.120.127.1352015-06-27 → 2017-06-04 · 4 obs
● 2017-06-04 20:44:18
○ 2026-02-26 09:13:20
○ 2026-08-15 03:20:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opencoursesolutions.com | ns2.active.com, ns1.active.com, ns3.active.com, ns4.active.com | 4 records |
✅ Authoritative Response
Server:156.154.65.28
NS records: ns2.active.com, ns1.active.com, ns3.active.com, ns4.active.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencoursesolutions.com (unsigned zone)
⏱️ Timing
Total: 236ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.41.125.59 |
| NS | 4 | ns1.active.com, ns2.active.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.active.com hostmaster.active.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.active.com, ns1.active.com, ns3.active.com...)
Analysis
Hierarchy
opencoursesolutions.com is the parent zone for www.opencoursesolutions.com.
IP Addresses
opencoursesolutions.com has exactly one IP address — 34.41.125.59.
www.activesports.com, teetimereserve.com, activeendurance.com plus two other host names have IP numbers in common with opencoursesolutions.com.
Name Servers
Four name servers handle the delegation for opencoursesolutions.com: ns1.active.com, ns2.active.com, ns3.active.com and ns4.active.com.
opencoursesolutions.com partially shares its NS delegation with several other domains, including responsysregistration.com, ogopogoswimclub.com, clubspaces.com and two others.
These name servers often co-occur with the name servers nsmaster.active.tan.
Four host names, each with one IP address: ns1.active.com has 156.154.64.28, ns2.active.com has 156.154.65.28, ns3.active.com has 156.154.66.28 and ns4.active.com has 156.154.67.28.