coursesmart.nl - robtex.com
coursesmart.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.17.116.163🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| NS | ns83.worldnic.com ⭐ | ||||||
| A | 162.159.26.131Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns84.worldnic.com | ||||||
| A | 162.159.27.117Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | NS83.WORLDNIC.COMnamehost@WORLDNIC.COM serial=126062416 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-08-02 22:30:02 +0000 (EPOCH 1785709802) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-08-02 #45 | ||||||
Same first word
coursesmart.de |
coursesmart.mobi |
coursesmart.pl |
coursesmart.co |
coursesmart.in |
coursesmart.org |
coursesmart.es |
coursesmart.at |
coursesmart.nl |
coursesmart.name |
coursesmart.com |
coursesmart.co.uk |
coursesmart.be |
Similar names
DNS History
5 records (3 active, 2 former)
●NSns83.worldnic.com2015-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 23:25:00
●NSns84.worldnic.com2015-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 23:25:00
○MXp.webcom.ctmail.com2015-12-04 → 2017-02-08 · 4 obs
● 2017-02-08 21:46:08
○ 2020-01-31 12:23:12
○ 2026-08-02 23:25:00
○A205.178.189.1312015-08-02 → 2026-06-10 · 4 obs
● 2026-06-10 02:06:56
○ 2026-07-04 11:59:08
○ 2026-08-02 23:25:00
●A209.17.116.1632026-07-04 → 2026-08-02 · 3 obs
● 2026-07-04 11:59:08
● 2026-08-02 23:25:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | 6 records |
| coursesmart.nl | ns83.worldnic.com, ns84.worldnic.com | - |
✅ Authoritative Response
Server:162.159.26.131
NS records: ns83.worldnic.com, ns84.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursesmart.nl (unsigned zone)
⏱️ Timing
Total: 659ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.17.116.163 |
| NS | 2 | ns84.worldnic.com, ns83.worldnic.com |
| SOA | 1 | NS83.WORLDNIC.COM namehost.WORLDNIC.COM |
📌 Glue Records Collected
Total: 6
In-bailiwick: 6 (ns1.dns.nl, ns1.dns.nl, ns3.dns.nl...)
Analysis
IP Addresses
coursesmart.nl points to a single IP number: 209.17.116.163.
Additional host names — www.kl-elect.com, saveourgas.org, ampulverizer.net and two others — share IP numbers with coursesmart.nl.
Name Servers
The NS records for coursesmart.nl delegate to ns83.worldnic.com and ns84.worldnic.com.
coursesmart.nl shares its name server setup with other domains, including westpandi.com, medicineforthedefense.net, directed-media.com and two others.
Both ns83.worldnic.com and ns84.worldnic.com have a single IP address each — ns83.worldnic.com resolves to 162.159.26.131 while ns84.worldnic.com resolves to 162.159.27.117.