appcourse.com - dns.ninja
appcourse.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 | ns23.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2151::c🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns23.domaincontrol.com | ||||||
| A | 97.74.101.12🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns23.domaincontrol.com | ||||||
| NS | ns24.domaincontrol.com | ||||||
| A | 2603:5:2251::c🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns24.domaincontrol.com | ||||||
| A | 173.201.69.12🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns24.domaincontrol.com | ||||||
| SOA | ns23.domaincontrol.comdns@jomax.net 2026-02-20 #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=1782934121 | ||||||
Same first word
appcourse.com |
appcourse.online |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns23.domaincontrol.com2026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 21:46:06
● 2026-07-01 19:45:46
●NSns24.domaincontrol.com2026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 21:46:06
● 2026-07-01 19:45:46
○NSns31.domaincontrol.com2015-08-02 → 2017-02-18 · 4 obs
● 2017-02-18 18:09:42
○ 2026-02-21 21:46:06
○ 2026-07-01 19:45:46
○NSns32.domaincontrol.com2015-08-02 → 2017-02-18 · 4 obs
● 2017-02-18 18:09:42
○ 2026-02-21 21:46:06
○ 2026-07-01 19:45:46
○MXmailstore1.secureserver.net2015-08-02 → 2017-02-18 · 4 obs
● 2017-02-18 18:09:42
○ 2026-02-21 21:46:06
○ 2026-07-01 19:45:46
○MXsmtp.secureserver.net2015-08-02 → 2017-02-18 · 4 obs
● 2017-02-18 18:09:42
○ 2026-02-21 21:46:06
○ 2026-07-01 19:45:46
●A15.197.225.1282026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 21:46:06
● 2026-07-01 19:45:46
○A184.168.221.632015-08-02 → 2017-02-18 · 4 obs
● 2017-02-18 18:09:42
○ 2026-02-21 21:46:06
○ 2026-07-01 19:45:46
●A3.33.251.1682026-02-21 → 2026-07-01 · 3 obs
● 2026-02-21 21:46:06
● 2026-07-01 19:45:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| appcourse.com | ns23.domaincontrol.com, ns24.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.101.12
NS records: ns23.domaincontrol.com, ns24.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for appcourse.com (unsigned zone)
⏱️ Timing
Total: 648ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns23.domaincontrol.com, ns24.domaincontrol.com |
| SOA | 1 | ns23.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns23.domaincontrol.com, ns23.domaincontrol.com, ns24.domaincontrol.com...)
Analysis
IP Addresses
appcourse.com has two IP addresses: 3.33.251.168 and 15.197.225.128
Among the host names that share IP numbers with appcourse.com are artifact.us, anonymous-alerts.net, online-dateing.com and two others.
Name Servers
appcourse.com is delegated to two name servers: ns23.domaincontrol.com and ns24.domaincontrol.com.
appcourse.com has the same name server delegation as a number of other domains, such as hellboycanada.com, growxcd.com, pestout.net and two more.
ns23.domaincontrol.com and ns24.domaincontrol.com each resolve to two IP addresses: ns23.domaincontrol.com points to 97.74.101.12 and 2603:5:2151::c, while ns24.domaincontrol.com points to 173.201.69.12 and 2603:5:2251::c.