21java.com - robtex.com
21java.com
| CNAME | prof4b93a6b.cname.ysjianzhan.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.0.231.140🇭🇰 HWCSNET49.0.228.0/22 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04 | ||||||
| PTR | ecs-49-0-231-140.compute.hwclouds-dns.com | ||||||
| A | 119.13.92.153🇭🇰 HWCSNET119.13.92.0/22 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04 | ||||||
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=1788965583 | ||||||
Same first word
21java.com |
Similar names
java21.site |
java21.pages.dev |
java21.com |
java21.app |
java21.net |
java12.co.kr |
java12.net |
java12.com |
java12.org |
java21.org |
Previous names
21j.com |
21j5.com |
21j7p.com |
21j8.com |
21j9kr95mst.com |
21jack.com |
21jackpot.com |
21jackw.com |
21jade.com |
21jagbrewery.com |
21jagers.com |
21jahrealt.com |
21james.com |
21janth.com |
21january.com |
21japan.com |
21jar.com |
21jars.com |
Next names
DNS History
16 records (5 active, 11 former)
○NSdns19.hichina.com2008-11-13 → 2008-11-13 · 3 obs
● 2008-11-13 00:24:26
○ 2015-07-19 20:16:46
○ 2026-09-09 14:54:34
○ 2015-07-19 20:16:46
○ 2026-09-09 14:54:34
○NSdns20.hichina.com2008-11-13 → 2008-11-13 · 3 obs
● 2008-11-13 00:24:26
○ 2015-07-19 20:16:46
○ 2026-09-09 14:54:34
○ 2015-07-19 20:16:46
○ 2026-09-09 14:54:34
●NSns1.julydns.com2026-08-31 → 2026-09-09 · 3 obs
○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
○NSns1.myhostadmin.net2015-07-19 → 2017-04-01 · 5 obs
○ 2008-11-13 00:24:26
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
●NSns1.onclouddns.com2026-08-31 → 2026-09-09 · 3 obs
○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
●NSns2.julydns.com2026-08-31 → 2026-09-09 · 3 obs
○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
○NSns2.myhostadmin.net2015-07-19 → 2017-04-01 · 5 obs
○ 2008-11-13 00:24:26
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
●NSns2.onclouddns.com2026-08-31 → 2026-09-09 · 3 obs
○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
○NSns3.myhostadmin.net2015-07-19 → 2017-04-01 · 5 obs
○ 2008-11-13 00:24:26
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
○NSns4.myhostadmin.net2015-07-19 → 2017-04-01 · 5 obs
○ 2008-11-13 00:24:26
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
○NSns5.myhostadmin.net2015-07-19 → 2017-04-01 · 5 obs
○ 2008-11-13 00:24:26
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
○NSns6.myhostadmin.net2015-07-19 → 2017-04-01 · 5 obs
○ 2008-11-13 00:24:26
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
● 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
○A211.149.152.1222015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 20:16:46
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
○A58.64.201.2522017-04-01 → 2017-04-01 · 4 obs
○ 2015-07-19 20:16:46
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
● 2017-04-01 20:30:56
○ 2026-08-31 22:50:52
○ 2026-09-09 14:54:34
●CNAMEprof4b93a6b.cname.ysjianzhan.com2026-08-31 → 2026-09-09 · 3 obs
○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
● 2026-08-31 22:50:52
● 2026-09-09 14:54:34
○CNAMEs-86656.gotocdn.com2015-07-19 → 2016-06-23 · 5 obs
○ 2008-11-13 00:24:26
● 2015-07-19 20:16:46
● 2016-06-23 06:40:48
○ 2017-04-01 20:30:56
○ 2026-09-09 14:54:34
● 2015-07-19 20:16:46
● 2016-06-23 06:40:48
○ 2017-04-01 20:30:56
○ 2026-09-09 14:54:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net... | - |
| 21java.com | ns1.onclouddns.com, ns2.onclouddns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21java.com (unsigned zone)
⏱️ Timing
Total: 466ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| CNAME | 1 | prof4b93a6b.cname.ysjianzhan.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.onclouddns.com, ns2.onclouddns.com)
Analysis
IP Addresses
21java.com points to the IP addresses 49.0.231.140 and 119.13.92.153
Additional host names — pro05ed6b60.cname.ysjianzhan.com, hkbbacd1.cname.ysjianzhan.com, pro7dafde03.cname.ysjianzhan.com and two others — share IP numbers with 21java.com.