studycourse.com - robtex.com
studycourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns53.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21a2::1b🇺🇸 GODADDY-DNS2603:5:21a0::/44 | ||||||
| PTR | ns53.domaincontrol.com | ||||||
| A | 97.74.106.27🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns53.domaincontrol.com | ||||||
| NS | ns54.domaincontrol.com | ||||||
| A | 2603:5:22a2::1b🇺🇸 GODADDY-DNS2603:5:22a0::/44 | ||||||
| PTR | ns54.domaincontrol.com | ||||||
| A | 173.201.74.27🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns54.domaincontrol.com | ||||||
| SOA | ns53.domaincontrol.comdns@jomax.net 2026-10-21 #0 | ||||||
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=1794226161 | ||||||
Subdomains
www.studycourse.com |
Same first word
studycourse.pages.dev |
studycourse.ru |
studycourse.org |
studycourse.me |
studycourse.site |
studycourse.blog |
studycourse.com |
Similar names
sourcestudy.com |
sourcestudy.net |
coursestudy.org |
surecustody.xyz |
coursestudy.com |
studysource.net |
surecustody.com |
coursestudy.net |
Previous names
Next names
DNS History
12 records (4 active, 8 former)
○NSns1.above.com2015-07-17 → 2017-02-06 · 4 obs
● 2017-02-06 08:38:46
○ 2019-03-23 19:25:50
○ 2026-11-09 12:49:54
○NSns1.eftydns.com2019-03-23 → 2019-03-23 · 4 obs
● 2019-03-23 19:25:50
○ 2026-08-19 13:16:54
○ 2026-11-09 12:49:54
○NSns2.above.com2015-07-17 → 2017-02-06 · 4 obs
● 2017-02-06 08:38:46
○ 2019-03-23 19:25:50
○ 2026-11-09 12:49:54
○NSns2.eftydns.com2019-03-23 → 2019-03-23 · 4 obs
● 2019-03-23 19:25:50
○ 2026-08-19 13:16:54
○ 2026-11-09 12:49:54
●NSns53.domaincontrol.com2026-08-19 → 2026-11-09 · 3 obs
● 2026-08-19 13:16:54
● 2026-11-09 12:49:54
●NSns54.domaincontrol.com2026-08-19 → 2026-11-09 · 3 obs
● 2026-08-19 13:16:54
● 2026-11-09 12:49:54
○MXmail.efty.com2019-03-23 → 2019-03-23 · 4 obs
● 2019-03-23 19:25:50
○ 2026-08-19 13:16:54
○ 2026-11-09 12:49:54
○MXmail.post-host.net2015-07-17 → 2016-06-26 · 4 obs
● 2016-06-26 01:48:02
○ 2017-02-06 08:38:46
○ 2026-11-09 12:49:54
○A103.224.182.2432015-07-17 → 2017-02-06 · 4 obs
● 2017-02-06 08:38:46
○ 2019-03-23 19:25:50
○ 2026-11-09 12:49:54
●A15.197.225.1282026-08-19 → 2026-11-09 · 3 obs
● 2026-08-19 13:16:54
● 2026-11-09 12:49:54
○A159.8.40.542019-03-23 → 2019-03-23 · 4 obs
● 2019-03-23 19:25:50
○ 2026-08-19 13:16:54
○ 2026-11-09 12:49:54
●A3.33.251.1682026-08-19 → 2026-11-09 · 3 obs
● 2026-08-19 13:16:54
● 2026-11-09 12:49:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| studycourse.com | ns53.domaincontrol.com, ns54.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.74.27
NS records: ns53.domaincontrol.com, ns54.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studycourse.com (unsigned zone)
⏱️ Timing
Total: 355ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns54.domaincontrol.com, ns53.domaincontrol.com |
| SOA | 1 | ns53.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns53.domaincontrol.com, ns53.domaincontrol.com, ns54.domaincontrol.com...)
Analysis
Hierarchy
studycourse.com is a parent domain of www.studycourse.com.
IP Addresses
studycourse.com directs to two IP numbers, 3.33.251.168 and 15.197.225.128
Additional host names — clearmedicarechoice.com, jfkcvn79.com, ailtd.xyz and two others — share IP numbers with studycourse.com.
Name Servers
studycourse.com uses two name servers for its delegation: ns53.domaincontrol.com and ns54.domaincontrol.com.
studycourse.com shares its name server setup with other domains, including majlishome.com, aprealty.in, jewelcardprint.in and two others.
The two host names ns53.domaincontrol.com and ns54.domaincontrol.com each have a pair of IP addresses: ns53.domaincontrol.com has 97.74.106.27 and 2603:5:21a2::1b, and ns54.domaincontrol.com has 173.201.74.27 and 2603:5:22a2::1b.