courseware.online - robtex.com
courseware.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns01.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2140::1🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns01.domaincontrol.com | ||||||
| A | 97.74.100.1🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns01.domaincontrol.com | ||||||
| NS | ns02.domaincontrol.com | ||||||
| A | 2603:5:2240::1🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns02.domaincontrol.com | ||||||
| A | 173.201.68.1🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns02.domaincontrol.com | ||||||
| SOA | ns01.domaincontrol.comdns@jomax.net 2025-09-28 #0 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | ns01.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1419732 | ||||||
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
●NSns01.domaincontrol.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 03:05:48
●NSns02.domaincontrol.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 03:05:48
○NSns1.a2hosting.com2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
○NSns11.domaincontrol.com2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
○NSns12.domaincontrol.com2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
○NSns2.a2hosting.com2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
○NSns3.a2hosting.com2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
○NSns4.a2hosting.com2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
○MXcourseware.online2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
●A15.197.148.332026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 03:05:48
●A3.33.130.1902026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 03:05:48
○A50.63.202.522017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
○A75.98.175.1082016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-09 07:47:08
○ 2026-03-23 03:05:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns10.trs-dns.info, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.org | 8 records |
| courseware.online | ns01.domaincontrol.com, ns02.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.68.1
NS records: ns01.domaincontrol.com, ns02.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseware.online (unsigned zone)
⏱️ Timing
Total: 279ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns01.domaincontrol.com, ns02.domaincontrol.com |
| SOA | 1 | ns01.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.info, ns01.trs-dns.net...)
Analysis
IP Addresses
The entity courseware.online points to two IP numbers: 3.33.130.190 and 15.197.148.33.
For instance, other host names triggerweld.com, bottomlinevine.com, updownjobs.com, ivoyleo.com and stratejikmerkezleme.com share IP numbers with courseware.online.
Name Servers
courseware.online is delegated to two name servers: ns01.domaincontrol.com and ns02.domaincontrol.com.
courseware.online uses the same name server setup as other domains such as wisesonsdeli.com, peterspivak.com, johnhepton.com, axspoints.net and axrmobiles.com.
Host names with two IP numbers:
ns01.domaincontrol.com points to 2603:5:2140::1 and 97.74.100.1; ns02.domaincontrol.com points to 2603:5:2240::1 and 173.201.68.1.