coursedev.com - dns.ninja
coursedev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 205.178.189.129🇺🇸 Jacksonville205.178.189.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| PTR | underconstruction.networksolutions.com | ||||||
| NS | ns3.worldnic.com ⭐ | ||||||
| A | 162.159.26.110Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | powerdns-prod06.dc.tutum.co | ||||||
| NS | ns4.worldnic.com | ||||||
| A | 162.159.27.124Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | NS3.WORLDNIC.comnamehost@WORLDNIC.com serial=111071602 | ||||||
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=1783239601 | ||||||
Same first word
coursedev.com |
coursedev.biz |
Similar names
DNS History
5 records (3 active, 2 former)
●NSns3.worldnic.com2008-11-03 → 2026-07-05 · 2 obs
● 2026-07-05 08:39:18
●NSns4.worldnic.com2008-11-03 → 2026-07-05 · 2 obs
● 2026-07-05 08:39:18
○MXp.webcom.ctmail.com2015-11-18 → 2017-03-30 · 4 obs
● 2017-03-30 19:54:14
○ 2026-04-07 10:17:32
○ 2026-07-05 08:39:18
○A205.178.145.652008-11-03 → 2008-11-03 · 3 obs
○ 2015-07-03 14:41:30
○ 2026-07-05 08:39:18
●A205.178.189.1292015-07-03 → 2026-07-05 · 3 obs
● 2015-07-03 14:41:30
● 2026-07-05 08:39:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursedev.com | ns3.worldnic.com, ns4.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.110
NS records: ns3.worldnic.com, ns4.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursedev.com (unsigned zone)
⏱️ Timing
Total: 180ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.178.189.129 |
| NS | 2 | ns3.worldnic.com, ns4.worldnic.com |
| SOA | 1 | NS3.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.worldnic.com, ns4.worldnic.com)
Analysis
IP Addresses
coursedev.com resolves to one IP address: 205.178.189.129.
xogenous.biz, www.pha.com, camdenbayapts.com and two other host names share IP numbers with coursedev.com.
Name Servers
coursedev.com is delegated to two name servers: ns3.worldnic.com and ns4.worldnic.com.
coursedev.com uses the same name servers as several other domains — among them redplane.net, linsews.com, gglt.com and two more.
coursedev.com shares at least some of its name servers with other domains, such as reefersalesgear.net.
ns3.worldnic.com → 162.159.26.110 and ns4.worldnic.com → 162.159.27.124: one IP number per host name.