21java.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`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.net`nstld@verisign-grs.com serial=1788716488

Same first word

21java.com

Similar names

java21.site

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

21jax.com

21jay.com

21jb.com

21jbgm.com

21jbs.com

21jc.com

21jcap.com

21jcapital.com

21jcapitalmanagement.com

21jccp.com

21jcp.com

21jcz.com

21jd.com

21jdcc.com

21jdwx.com

21je.com

21jeans.com

21jeanstreet.com

21jefferson.com

21jelly.com

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
○ 2026-09-06 18:02:22

○NSdns20.hichina.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 00:24:26
○ 2015-07-19 20:16:46
○ 2026-09-06 18:02:22

●NSns1.julydns.com2026-08-31 → 2026-09-06 · 3 obs

○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

●NSns1.onclouddns.com2026-08-31 → 2026-09-06 · 3 obs

○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-06 18:02:22

●NSns2.julydns.com2026-08-31 → 2026-09-06 · 3 obs

○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

●NSns2.onclouddns.com2026-08-31 → 2026-09-06 · 3 obs

○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

○A211.149.152.1222015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 20:16:46
○ 2026-08-31 22:50:52
○ 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

●CNAMEprof4b93a6b.cname.ysjianzhan.com2026-08-31 → 2026-09-06 · 3 obs

○ 2017-04-01 20:30:56
● 2026-08-31 22:50:52
● 2026-09-06 18:02:22

○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
○ 2026-09-06 18:02:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.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: 397ms | 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 has two IP addresses: 49.0.231.140 and 119.13.92.153

Among the host names that share IP numbers with 21java.com are pro05ed6b60.cname.ysjianzhan.com, hkbbacd1.cname.ysjianzhan.com, pro7dafde03.cname.ysjianzhan.com and two others.