coursejudge.com - robtex.com
coursejudge.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 142.93.69.124🇺🇸 DIGITALOCEAN142.93.64.0/20 DigitalOcean | ||||||
| NS | ns09.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2180::5🇺🇸 GODADDY-DNS2603:5:2180::/44 | ||||||
| PTR | ns09.domaincontrol.com | ||||||
| A | 97.74.104.5🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns09.domaincontrol.com | ||||||
| NS | ns10.domaincontrol.com | ||||||
| A | 2603:5:2280::5🇺🇸 GODADDY-DNS2603:5:2280::/44 | ||||||
| PTR | ns10.domaincontrol.com | ||||||
| A | 173.201.72.5🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns10.domaincontrol.com | ||||||
| SOA | ns09.domaincontrol.comdns@jomax.net 2023-09-07 #3 | ||||||
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=1774507807 | ||||||
Same first word
coursejudge.com |
Similar names
DNS History
11 records (3 active, 8 former)
○NSdns1.registrar-servers.com2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
○NSdns2.registrar-servers.com2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
●NSns09.domaincontrol.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 06:55:18
● 2026-03-26 06:55:20
●NSns10.domaincontrol.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 06:55:18
● 2026-03-26 06:55:20
○MXeforward1.registrar-servers.com2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
○MXeforward2.registrar-servers.com2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
○MXeforward3.registrar-servers.com2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
○MXeforward4.registrar-servers.com2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
○MXeforward5.registrar-servers.com2018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
●A142.93.69.1242026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 06:55:18
● 2026-03-26 06:55:20
○A192.64.119.2482018-05-11 → 2018-05-11 · 3 obs
○ 2026-03-26 06:55:18
○ 2026-03-26 06:55:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursejudge.com | ns09.domaincontrol.com, ns10.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.104.5
NS records: ns09.domaincontrol.com, ns10.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursejudge.com (unsigned zone)
⏱️ Timing
Total: 185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.93.69.124 |
| NS | 2 | ns09.domaincontrol.com, ns10.domaincontrol.com |
| SOA | 1 | ns09.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns09.domaincontrol.com, ns09.domaincontrol.com, ns10.domaincontrol.com...)
Analysis
IP Addresses
coursejudge.com points to IP number: 142.93.69.124.
Name Servers
coursejudge.com is delegated to two name servers: ns09.domaincontrol.com and ns10.domaincontrol.com.
coursejudge.com shares the same name server setup as realbabynurses.com, ttlautosales.com, kochsberg.de, occasionflorist.com and cialonerocks.com.
Host names with two IP numbers: ns09.domaincontrol.com points to: 2603:5:2180::5 and 97.74.104.5; ns10.domaincontrol.com points to: 2603:5:2280::5 and 173.201.72.5.