java-courses.com - robtex.com
java-courses.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 102.130.118.3🇿🇦 AS328364102.130.118.0/24 | ||||||
| PTR | wp7.host-ww.net | ||||||
| NS | ns51.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2192::1a🇺🇸 GODADDY-DNS2603:5:2190::/44 | ||||||
| PTR | ns51.domaincontrol.com | ||||||
| A | 97.74.105.26🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns51.domaincontrol.com | ||||||
| NS | ns52.domaincontrol.com | ||||||
| A | 2603:5:2292::1a🇺🇸 GODADDY-DNS2603:5:2290::/44 | ||||||
| PTR | ns52.domaincontrol.com | ||||||
| A | 173.201.73.26🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns52.domaincontrol.com | ||||||
| MX | mail.java-courses.com ⭐ | ||||||
| TXT | v=spf1 +mx +a +ip4:102.130.125.7 +include:spf.antispamcloud.com +include:spf.... | ||||||
| SOA | ns51.domaincontrol.comdns@jomax.net 2024-09-16 #5 | ||||||
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=1791661444 | ||||||
Same first word
java-courses.com |
Previous names
Next names
DNS History
20 records (4 active, 16 former)
○NSns1.namebrightdns.com2017-05-22 → 2017-05-22 · 4 obs
● 2017-05-22 16:58:42
○ 2026-09-18 23:45:08
○ 2026-10-10 19:46:38
○NSns2.namebrightdns.com2017-05-22 → 2017-05-22 · 4 obs
● 2017-05-22 16:58:42
○ 2026-09-18 23:45:08
○ 2026-10-10 19:46:38
○NSns39.domaincontrol.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○NSns40.domaincontrol.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
●NSns51.domaincontrol.com2026-09-18 → 2026-10-10 · 3 obs
● 2026-09-18 23:45:08
● 2026-10-10 19:46:38
●NSns52.domaincontrol.com2026-09-18 → 2026-10-10 · 3 obs
● 2026-09-18 23:45:08
● 2026-10-10 19:46:38
○MXalt1.aspmx.l.google.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○MXalt2.aspmx.l.google.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○MXaspmx.l.google.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○MXaspmx2.googlemail.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○MXaspmx3.googlemail.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○MXaspmx4.googlemail.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○MXaspmx5.googlemail.com2015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
●MXmail.java-courses.com2026-09-18 → 2026-10-10 · 3 obs
● 2026-09-18 23:45:08
● 2026-10-10 19:46:38
●A102.130.118.32026-09-18 → 2026-10-10 · 3 obs
● 2026-09-18 23:45:08
● 2026-10-10 19:46:38
○A216.239.32.212015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○A216.239.34.212015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○A216.239.36.212015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○A216.239.38.212015-06-15 → 2016-09-17 · 4 obs
● 2016-09-17 23:20:02
○ 2017-05-22 16:58:42
○ 2026-10-10 19:46:38
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-05-22 → 2017-05-22 · 3 obs
○ 2026-09-18 23:45:08
○ 2026-10-10 19:46:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| java-courses.com | ns51.domaincontrol.com, ns52.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for java-courses.com (unsigned zone)
⏱️ Timing
Total: 546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 102.130.118.3 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 1 | mail.java-courses.com (pri: 0) |
| TXT | 1 | v=spf1 +mx +a +ip4:102.130.125.7 +includ |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)
Analysis
IP Addresses
java-courses.com directs to one IP number, which is 102.130.118.3.
Among the host names that share IP numbers with java-courses.com are onlinejavaclasses.com, www.liftingsolutions.co.za, stopaq.co.za and two others.
Name Servers
java-courses.com uses two name servers for its delegation: ns51.domaincontrol.com and ns52.domaincontrol.com.
java-courses.com has the same name server delegation as a number of other domains, such as inthecircle.net, blackgodsofthemetropolisrevisited.com, wurthre.com and two more.
The two host names ns51.domaincontrol.com and ns52.domaincontrol.com each have a pair of IP addresses: ns51.domaincontrol.com has 97.74.105.26 and 2603:5:2192::1a, and ns52.domaincontrol.com has 173.201.73.26 and 2603:5:2292::1a.
Mail Servers
java-courses.com routes its mail through a single mail server, mail.java-courses.com.