java-school.net - dns.ninja

`java-school.net`

DNSSEC	⚠️ Not signed
A	2406:da12:5d8:9400:bac8:3a5e:1f00:dea3^{🇰🇷 Amazon2406:da12:400::/38 AMAZON AWS}
A	3.39.16.225^{🇰🇷 Amazon3.36.0.0/14 EC2 ICN prefix}
NS	`ns-1502.awsdns-59.org` ⭐
		A	2600:9000:5305:de00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1502.awsdns-59.org`
		A	205.251.197.222^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1502.awsdns-59.org`
NS	`ns-1997.awsdns-57.co.uk`
		A	2600:9000:5307:cd00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1997.awsdns-57.co.uk`
		A	205.251.199.205^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1997.awsdns-57.co.uk`
NS	`ns-313.awsdns-39.com`
		A	2600:9000:5301:3900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-313.awsdns-39.com`
		A	205.251.193.57^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-313.awsdns-39.com`
NS	`ns-735.awsdns-27.net`
		A	2600:9000:5302:df00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-735.awsdns-27.net`
		A	205.251.194.223^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-735.awsdns-27.net`
SOA	`ns-1502.awsdns-59.org`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1783440836

Same first word

java-school.ru

java-school.net

DNS History

10 records (6 active, 4 former)

●NSns-1502.awsdns-59.org2026-02-17 → 2026-07-07 · 3 obs

○ 2017-02-01 22:39:40
● 2026-02-17 00:44:34
● 2026-07-07 16:30:22

●NSns-1997.awsdns-57.co.uk2026-02-17 → 2026-07-07 · 3 obs

○ 2017-02-01 22:39:40
● 2026-02-17 00:44:34
● 2026-07-07 16:30:22

●NSns-313.awsdns-39.com2026-02-17 → 2026-07-07 · 3 obs

○ 2017-02-01 22:39:40
● 2026-02-17 00:44:34
● 2026-07-07 16:30:22

●NSns-735.awsdns-27.net2026-02-17 → 2026-07-07 · 3 obs

○ 2017-02-01 22:39:40
● 2026-02-17 00:44:34
● 2026-07-07 16:30:22

○NSns1.mireene.com2015-08-03 → 2017-02-01 · 4 obs

● 2015-08-03 14:21:14
● 2017-02-01 22:39:40
○ 2026-02-17 00:44:34
○ 2026-07-07 16:30:22

○NSns2.mireene.com2015-08-03 → 2017-02-01 · 4 obs

● 2015-08-03 14:21:14
● 2017-02-01 22:39:40
○ 2026-02-17 00:44:34
○ 2026-07-07 16:30:22

○MXwebmail3.mireene.com2015-08-03 → 2026-02-17 · 4 obs

● 2015-08-03 14:21:14
● 2026-02-17 00:44:34
○ 2026-03-20 21:12:34
○ 2026-07-07 16:30:22

○A110.4.107.1562015-08-03 → 2017-02-01 · 4 obs

● 2015-08-03 14:21:14
● 2017-02-01 22:39:40
○ 2026-02-17 00:44:34
○ 2026-07-07 16:30:22

●A2406:da12:5d8:9400:bac8:3a5e:1f00:dea32026-02-17 → 2026-07-07 · 3 obs

○ 2017-02-01 22:39:40
● 2026-02-17 00:44:34
● 2026-07-07 16:30:22

●A3.39.16.2252026-02-17 → 2026-07-07 · 3 obs

○ 2017-02-01 22:39:40
● 2026-02-17 00:44:34
● 2026-07-07 16:30:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	l.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
java-school.net	ns-735.awsdns-27.net, ns-313.awsdns-39.com, ns-1997.awsdns-57.co.uk, ns-1502.awsdns-59.org	2 records

✅ Authoritative Response

Server:205.251.199.205

NS records: ns-735.awsdns-27.net, ns-313.awsdns-39.com, ns-1997.awsdns-57.co.uk, ns-1502.awsdns-59.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for java-school.net (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.39.16.225`
AAAA	1	`2406:da12:5d8:9400:bac8:3a5e:1f00:dea3`
NS	4	`ns-1502.awsdns-59.org, ns-1997.awsdns-57.co.uk...`
SOA	1	`ns-1502.awsdns-59.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-735.awsdns-27.net, ns-735.awsdns-27.net)

Analysis

IP Addresses

java-school.net resolves to the IP addresses 3.39.16.225 and 2406:da12:5d8:9400:bac8:3a5e:1f00:dea3

There are other host names — ec2-3-39-16-225.ap-northeast-2.compute.amazonaws.com among them — that share IP numbers with java-school.net.

Name Servers

Four name servers handle the delegation for java-school.net: ns-313.awsdns-39.com, ns-735.awsdns-27.net, ns-1502.awsdns-59.org and ns-1997.awsdns-57.co.uk.

java-school.net shares at least some of its name servers with other domains, including d208lxu1upkqot.cloudfront.net, egft.in, docuvera.eu and two others.

The host names ns-313.awsdns-39.com, ns-735.awsdns-27.net, ns-1502.awsdns-59.org and ns-1997.awsdns-57.co.uk each resolve to two IP addresses: ns-313.awsdns-39.com resolves to 205.251.193.57 and 2600:9000:5301:3900::1; ns-735.awsdns-27.net resolves to 205.251.194.223 and 2600:9000:5302:df00::1; ns-1502.awsdns-59.org resolves to 205.251.197.222 and 2600:9000:5305:de00::1; ns-1997.awsdns-57.co.uk resolves to 205.251.199.205 and 2600:9000:5307:cd00::1.