opencoursesolutions.net - robtex.com
opencoursesolutions.net
| 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 | ||||||
net
| 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=1771291465 | ||||||
Same first word
opencoursesolutions.net |
opencoursesolutions.com |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.active.com2015-07-18 → 2026-03-24 · 2 obs
● 2026-03-24 08:20:08
●NSns2.active.com2015-07-18 → 2026-03-24 · 2 obs
● 2026-03-24 08:20:08
●NSns3.active.com2015-07-18 → 2026-03-24 · 2 obs
● 2026-03-24 08:20:08
●NSns4.active.com2015-07-18 → 2026-03-24 · 2 obs
● 2026-03-24 08:20:08
●A34.41.125.592026-02-26 → 2026-03-24 · 3 obs
● 2026-02-26 09:13:18
● 2026-03-24 08:20:08
○A74.120.127.1352015-07-18 → 2017-06-15 · 4 obs
● 2017-06-15 08:14:00
○ 2026-02-26 09:13:18
○ 2026-03-24 08:20:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net... | - |
| opencoursesolutions.net | ns2.active.com, ns1.active.com, ns3.active.com, ns4.active.com | - |
✅ Authoritative Response
Server:156.154.64.28
NS records: ns2.active.com, ns1.active.com, ns3.active.com, ns4.active.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencoursesolutions.net (unsigned zone)
⏱️ Timing
Total: 353ms | 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 |
Analysis
IP Addresses
opencoursesolutions.net points to a single IP: 34.41.125.59.
Other host names, for instance opencoursesolutions.com, www.activesports.com, teetimereserve.com, activeendurance.com and emarketing.activenetwork.com share IP numbers with opencoursesolutions.net.
Name Servers
opencoursesolutions.net is delegated to four name servers: ns1.active.com, ns2.active.com, ns3.active.com and ns4.active.com.
opencoursesolutions.net at least partially shares its name servers with other domains, for instance northeastjhss.com, tritonswebstore.com, downersgrovefury.com, activegolfspecials.com and activegolfclub.com.
These name servers are often used together with the name servers nsmaster.active.tan.
Host names with one IP number: ns1.active.com points to 156.154.64.28; ns2.active.com points to 156.154.65.28; ns3.active.com points to 156.154.66.28; ns4.active.com points to 156.154.67.28.