`java.cz`

DNSSEC	⚠️ Not signed
A	87.236.197.56^{🇨🇿 AS3559287.236.196.0/23}
NS	`ns1.p201.dns.oraclecloud.net` ⭐
		A	2600:2000:2100::c9^{ORACLE-OCI-318982600:2000:2100::/44}
		A	108.59.166.201
NS	`a1-160.akam.net` ⚠️ Not in parent delegation
		A	2600:1401:2::a0^{Akamai2600:1401:2::/48 Technologies}
		A	193.108.91.160^{Akamai193.108.91.0/24 Technologies}
NS	`a11-66.akam.net`
		A	2600:1480:1::42^{🇺🇸 Akamai2600:1480:1::/48 Technologies}
			PTR	`a11-66.akam.net`
			PTR	`ns4-66.akam.net`
		A	84.53.139.66^{🇳🇱 Akamai84.53.139.0/24 Technologies}
			PTR	`a11-66.akam.net`
			PTR	`ns4-66.akam.net`
NS	`a13-65.akam.net`
		A	2600:1480:800::41^{🇺🇸 Akamai2600:1480:800::/48 Technologies}
			PTR	`a13-65.akam.net`
			PTR	`ns2-65.akam.net`
		A	2.22.230.65^{🇳🇱 Akamai2.22.230.0/24}
			PTR	`a13-65.akam.net`
			PTR	`ns2-65.akam.net`
NS	`a18-67.akam.net`
		A	2600:1480:4800::43^{🇺🇸 Akamai2600:1480:4800::/48 Technologies}
			PTR	`a18-67.akam.net`
		A	95.101.36.67^{🇳🇱 Akamai95.101.36.0/24 Technologies}
			PTR	`a18-67.akam.net`
NS	`ns2.p201.dns.oraclecloud.net`
		A	2600:2000:2110::c9^{ORACLE-OCI-318982600:2000:2110::/44}
		A	108.59.168.201
NS	`ns3.p201.dns.oraclecloud.net`
		A	2600:2000:2120::c9^{ORACLE-OCI-318982600:2000:2120::/44}
		A	108.59.170.201
NS	`ns4.p201.dns.oraclecloud.net`
		A	2600:2000:2130::c9^{ORACLE-OCI-318982600:2000:2130::/44}
		A	108.59.172.201
MX	`java.cz` ⭐
		A	87.236.197.56^{🇨🇿 AS3559287.236.196.0/23}
MX	`mail.amaio.com`⁽²⁰⁾
TXT	`v=spf1 -all`
SOA	`ns1.p201.dns.oraclecloud.net`hostmaster@oracle.com 2025-11-11 #1

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1786465041

WOT: SAFE (66/100)

MX for

java.cz

Subdomains

www.java.cz

Similar names

java.com.mx

vaja.ca

vaaj.us

java.su

vaja.us

java.be

aajv.cn

java.com.co

java.org

ajva.com

java.co.id

java.com.ua

java.co.jp

vjaa.com

java.ge

ajva.ru

java.net

vaja.nl

vjaa.edu.vn

java.pl

vaja.eu

java.ca

java.eu.com

java.mn

java.com.mk

java.co.kr

java.lt

java.sc

vaja.ch

java.blue

vaja.be

jaav.nl

java.ps

vjaa.nl

avaj.co.uk

java.to

java.gg

java.lv

java.cx

java.nu

java.th

ajav.com

ajva.fr

vaaj.com.au

java.gr.jp

jvaa.com

java.com.vn

java.com.es

java.kim

java.it

jaav.com

java.com.tr

ajva.net

vaja.me

aavj.com

java.eu

avaj.ca

vaaj.dk

java.org.za

java.sa

aajv.com

java

java.mobi

vaja.org

aajv.shop

java.com

java.social

java.ru

ajva.org

jaav.co.uk

aajv.org

vjaa.cn

java.ro

java.se

avaj.ru

vaja.de

vaja.co

avja.cn

java.market

ajva.dk

java.com.tw

java.in

java.mx

java.business

java.hu

java.pro

avaj.de

ajva.by

vaja.com

java.dk

java.ee

java.al

jvaa.cn

java.at

java.nl

vaja.ru

aajv.fr

java.pt

java.org.ua

vaja.vn

java.support

java.io

java.cz

ajav.net

java.vn

java.com.pl

jaav.de

java.co

java.security

avaj.com

java.uk

vaja.cz

java.promo

vaja.ir

java.christmas

java.ai

java.game

java.tel

vaaj.com

java.email

jaav.net

java.am

java.co.za

java.fr

vjaa.org

java.com.sg

java.kr

java.de

java.partners

vjaa.net

java.net.id

java.uz

java.hr

java.ws

java.technology

java.im

ajva.de

java.md

java.cm

java.co.in

java.com.in

java.no

java.com.cn

DNS History

28 records (11 active, 17 former)

●NSa1-160.akam.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

○NSa1-198.akam.net2017-05-27 → 2017-05-27 · 4 obs

○ 2017-01-14 08:47:46
● 2017-05-27 01:09:10
○ 2017-08-15 03:39:24
○ 2026-08-11 16:36:16

●NSa11-66.akam.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

●NSa13-65.akam.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

●NSa18-67.akam.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

○NSa2-67.akam.net2017-05-27 → 2017-05-27 · 4 obs

○ 2017-01-14 08:47:46
● 2017-05-27 01:09:10
○ 2017-08-15 03:39:24
○ 2026-08-11 16:36:16

○NSa22-64.akam.net2017-05-27 → 2017-05-27 · 4 obs

○ 2017-01-14 08:47:46
● 2017-05-27 01:09:10
○ 2017-08-15 03:39:24
○ 2026-08-11 16:36:16

○NSa24-65.akam.net2017-05-27 → 2017-05-27 · 4 obs

○ 2017-01-14 08:47:46
● 2017-05-27 01:09:10
○ 2017-08-15 03:39:24
○ 2026-08-11 16:36:16

○NSa3-66.akam.net2017-05-27 → 2017-05-27 · 4 obs

○ 2017-01-14 08:47:46
● 2017-05-27 01:09:10
○ 2017-08-15 03:39:24
○ 2026-08-11 16:36:16

○NSa9-67.akam.net2017-05-27 → 2017-05-27 · 4 obs

○ 2017-01-14 08:47:46
● 2017-05-27 01:09:10
○ 2017-08-15 03:39:24
○ 2026-08-11 16:36:16

○NSns1.p04.dynect.net2017-08-15 → 2020-12-31 · 5 obs

○ 2017-05-27 01:09:10
● 2017-08-15 03:39:24
● 2020-12-31 05:27:54
○ 2026-03-21 00:51:26
○ 2026-08-11 16:36:16

●NSns1.p201.dns.oraclecloud.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

○NSns2.p04.dynect.net2017-08-15 → 2020-12-31 · 5 obs

○ 2017-05-27 01:09:10
● 2017-08-15 03:39:24
● 2020-12-31 05:27:54
○ 2026-03-21 00:51:26
○ 2026-08-11 16:36:16

●NSns2.p201.dns.oraclecloud.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

○NSns3.p04.dynect.net2017-08-15 → 2020-12-31 · 5 obs

○ 2017-05-27 01:09:10
● 2017-08-15 03:39:24
● 2020-12-31 05:27:54
○ 2026-03-21 00:51:26
○ 2026-08-11 16:36:16

●NSns3.p201.dns.oraclecloud.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

○NSns4.p04.dynect.net2017-08-15 → 2020-12-31 · 5 obs

○ 2017-05-27 01:09:10
● 2017-08-15 03:39:24
● 2020-12-31 05:27:54
○ 2026-03-21 00:51:26
○ 2026-08-11 16:36:16

●NSns4.p201.dns.oraclecloud.net2026-03-21 → 2026-08-11 · 3 obs

○ 2020-12-31 05:27:54
● 2026-03-21 00:51:26
● 2026-08-11 16:36:16

○NSorcldns1.ultradns.com2015-06-01 → 2017-01-14 · 4 obs

● 2015-06-01 05:26:00
● 2017-01-14 08:47:46
○ 2017-05-27 01:09:10
○ 2026-08-11 16:36:16

○NSorcldns2.ultradns.net2015-06-01 → 2017-01-14 · 4 obs

● 2015-06-01 05:26:00
● 2017-01-14 08:47:46
○ 2017-05-27 01:09:10
○ 2026-08-11 16:36:16

○NSorcldns3.ultradns.biz2015-06-01 → 2017-01-14 · 4 obs

● 2015-06-01 05:26:00
● 2017-01-14 08:47:46
○ 2017-05-27 01:09:10
○ 2026-08-11 16:36:16

○NSorcldns4.ultradns.org2015-06-01 → 2017-01-14 · 4 obs

● 2015-06-01 05:26:00
● 2017-01-14 08:47:46
○ 2017-05-27 01:09:10
○ 2026-08-11 16:36:16

○NSorcldns5.ultradns.info2015-06-01 → 2017-01-14 · 4 obs

● 2015-06-01 05:26:00
● 2017-01-14 08:47:46
○ 2017-05-27 01:09:10
○ 2026-08-11 16:36:16

○NSorcldns6.ultradns.co.uk2015-06-01 → 2017-01-14 · 4 obs

● 2015-06-01 05:26:00
● 2017-01-14 08:47:46
○ 2017-05-27 01:09:10
○ 2026-08-11 16:36:16

●MXjava.cz2015-06-01 → 2026-08-11 · 2 obs

● 2015-06-01 05:26:00
● 2026-08-11 16:36:16

●MXmail.amaio.com2015-06-01 → 2026-08-11 · 2 obs

● 2015-06-01 05:26:00
● 2026-08-11 16:36:16

○A194.213.194.1472015-06-01 → 2017-08-15 · 4 obs

● 2015-06-01 05:26:00
● 2017-08-15 03:39:24
○ 2020-12-31 05:27:54
○ 2026-08-11 16:36:16

●A87.236.197.562020-12-31 → 2026-08-11 · 3 obs

○ 2017-08-15 03:39:24
● 2020-12-31 05:27:54
● 2026-08-11 16:36:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
java.cz	ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net...	-

✅ Authoritative Response

Server:108.59.168.201

NS records: ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for java.cz (unsigned zone)

⏱️ Timing

Total: 4660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.236.197.56`
NS	8	`a13-65.akam.net, ns2.p201.dns.oraclecloud.net...`
MX	2	`java.cz (pri: 10), mail.amaio.com (pri: 20)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.p201.dns.oraclecloud.net hostmaster.`

Analysis

Hierarchy

www.java.cz is delegated beneath java.cz.

Mail Server Role

The MX record for java.cz points back to java.cz — it is its own mail server.

mail.amaio.com and java.cz are commonly paired as mail servers.

IP Addresses

java.cz directs to one IP number, which is 87.236.197.56.

Other hosts including intes.cz, hyperion2.mathan.cz and www.java.cz share IP addresses with java.cz.

Name Servers

java.cz has 8 name servers — a1-160.akam.net, a11-66.akam.net, a13-65.akam.net and 5 others.

There is at least partial name server overlap between java.cz and other domains — myvynassist.com, ecci.edu.co, bizdata360.com and two more among them.

These name servers regularly appear alongside ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net and 4 other name servers in NS record sets.

Hosts with two IP numbers each:

a1-160.akam.net resolves to 193.108.91.160 and 2600:1401:2::a0.

a11-66.akam.net resolves to 84.53.139.66 and 2600:1480:1::42.

a13-65.akam.net resolves to 2.22.230.65 and 2600:1480:800::41.

a18-67.akam.net resolves to 95.101.36.67 and 2600:1480:4800::43.

ns1.p201.dns.oraclecloud.net resolves to 108.59.166.201 and 2600:2000:2100::c9.

ns2.p201.dns.oraclecloud.net resolves to 108.59.168.201 and 2600:2000:2110::c9.

ns3.p201.dns.oraclecloud.net resolves to 108.59.170.201 and 2600:2000:2120::c9.

ns4.p201.dns.oraclecloud.net resolves to 108.59.172.201 and 2600:2000:2130::c9.