zerozero.cz - dns.ninja

zerozero.cz

DNSSEC⚠️ Not signed
A2a02:25b0:aaaa:1::4🇨🇿 SECURITYNET-AS2a02:25b0:aaaa::/48 SECURITYNET-2a07:dbc0::/32
A2a02:25b0:aaaa:1::8🇨🇿 SECURITYNET-AS2a02:25b0:aaaa::/48 SECURITYNET-2a07:dbc0::/32
A46.36.36.153🇨🇿 SECURITYNET-AS46.36.36.0/24 GTT-NET prefix
A176.102.65.65🇨🇿 SECURITYNET-AS176.102.65.0/24 SECURITYNET-176.102.65/24
NSns1.hukot.cz ⭐
A46.36.35.65🇨🇿 SECURITYNET-AS46.36.35.0/24 GTT-NET prefix
PTRmx2.securitynet.cz
NSns2.securitynet.cz
A46.36.36.151🇨🇿 SECURITYNET-AS46.36.36.0/24 GTT-NET prefix
PTR151-36.hukot.cloud
NSns3.hukot.cz
A46.36.36.153🇨🇿 SECURITYNET-AS46.36.36.0/24 GTT-NET prefix
PTR153-36.hukot.cloud
MXmail.hukot.net ⭐
A46.36.35.152🇨🇿 SECURITYNET-AS46.36.35.0/24 GTT-NET prefix
PTRmail.hukot.net
MXmx2.securitynet.cz(100)
A46.36.35.65🇨🇿 SECURITYNET-AS46.36.35.0/24 GTT-NET prefix
PTRmx2.securitynet.cz
TXTv=spf1 a mx include:spf.hukot.net ~all
SOAns1.hukot.czhukot@hukot.cz serial=1754989919

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1781585257

Subdomains

www.zerozero.cz

Same first word

zerozero.pt
zerozero.ch
zerozero.pe
zerozero.it
zerozero.com
zerozero.site
zerozero.info
zerozero.cz
zerozero.be
zerozero.pro
zerozero.world
zerozero.com.ve
zerozero.co.nz
zerozero.space
zerozero.online
zerozero.fr
zerozero.cl
zerozero.se
zerozero.com.ar
zerozero.de
zerozero.com.hr
zerozero.cn.com
zerozero.co
zerozero.pl
zerozero.us
zerozero.com.mx
zerozero.biz
zerozero.cn
zerozero.at
zerozero.tv
zerozero.es
zerozero.org
zerozero.com.au
zerozero.com.tw

Similar names

zerorezo.com
ozerozer.com
rezozero.org
rozezero.com
rezozero.com

DNS History

15 records (9 active, 6 former)

20162017201820192020202120222023202420252026NSns1.hukot.czns2.securitynet.czns3.hukot.czMXmail.hukot.netmx2.securitynet.czmx.securitynet.czA176.102.65.652a02:25b0:aaaa:1::42a02:25b0:aaaa:1::846.36.36.153116.203.249.1172a01:4f8:1c17:776f::346.36.35.15551.254.238.6778.47.136.85
●NSns1.hukot.cz2015-08-15 → 2026-06-16 · 2 obs
● 2015-08-15 03:10:40
● 2026-06-16 05:39:06
●NSns2.securitynet.cz2015-08-15 → 2026-06-16 · 2 obs
● 2015-08-15 03:10:40
● 2026-06-16 05:39:06
●NSns3.hukot.cz2015-08-15 → 2026-06-16 · 2 obs
● 2015-08-15 03:10:40
● 2026-06-16 05:39:06
●MXmail.hukot.net2020-03-05 → 2026-06-16 · 3 obs
○ 2020-02-12 20:30:00
● 2020-03-05 00:51:42
● 2026-06-16 05:39:06
○MXmx.securitynet.cz2015-08-15 → 2020-02-12 · 4 obs
● 2015-08-15 03:10:40
● 2020-02-12 20:30:00
○ 2020-03-05 00:51:42
○ 2026-06-16 05:39:06
●MXmx2.securitynet.cz2015-08-15 → 2026-06-16 · 2 obs
● 2015-08-15 03:10:40
● 2026-06-16 05:39:06
○A116.203.249.1172020-05-19 → 2021-11-05 · 5 obs
○ 2020-03-12 06:22:16
● 2020-05-19 05:26:24
● 2021-11-05 15:30:26
○ 2026-03-24 06:00:02
○ 2026-06-16 05:39:06
●A176.102.65.652021-11-05 → 2026-06-16 · 3 obs
○ 2020-05-19 05:26:24
● 2021-11-05 15:30:26
● 2026-06-16 05:39:06
○A2a01:4f8:1c17:776f::32020-02-12 → 2021-11-05 · 5 obs
○ 2019-08-10 01:17:14
● 2020-02-12 20:30:00
● 2021-11-05 15:30:26
○ 2026-03-24 06:00:02
○ 2026-06-16 05:39:06
●A2a02:25b0:aaaa:1::42026-03-24 → 2026-06-16 · 3 obs
○ 2021-11-05 15:30:26
● 2026-03-24 06:00:02
● 2026-06-16 05:39:06
●A2a02:25b0:aaaa:1::82026-03-24 → 2026-06-16 · 3 obs
○ 2021-11-05 15:30:26
● 2026-03-24 06:00:02
● 2026-06-16 05:39:06
○A46.36.35.1552015-08-15 → 2015-12-21 · 4 obs
● 2015-08-15 03:10:40
● 2015-12-21 02:09:20
○ 2019-08-10 01:17:14
○ 2026-06-16 05:39:06
●A46.36.36.1532026-03-24 → 2026-06-16 · 3 obs
○ 2021-11-05 15:30:26
● 2026-03-24 06:00:02
● 2026-06-16 05:39:06
○A51.254.238.672019-08-10 → 2020-03-12 · 5 obs
○ 2015-12-21 02:09:20
● 2019-08-10 01:17:14
● 2020-03-12 06:22:16
○ 2020-05-19 05:26:24
○ 2026-06-16 05:39:06
○A78.47.136.852020-02-12 → 2021-11-05 · 5 obs
○ 2019-08-10 01:17:14
● 2020-02-12 20:30:00
● 2021-11-05 15:30:26
○ 2026-03-24 06:00:02
○ 2026-06-16 05:39:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz-
zerozero.czns1.hukot.cz, ns2.securitynet.cz, ns3.hukot.cz-

✅ Authoritative Response

Server:46.36.35.65

NS records: ns1.hukot.cz, ns2.securitynet.cz, ns3.hukot.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zerozero.cz (unsigned zone)

⏱️ Timing

Total: 1355ms | Queries: -

📄 Records

TypeCountSample Data
A2176.102.65.65, 46.36.36.153
AAAA22a02:25b0:aaaa:1::4, 2a02:25b0:aaaa:1::8
NS3ns2.securitynet.cz, ns1.hukot.cz...
MX2mx2.securitynet.cz (pri: 100), mail.hukot.net (pri: 10)
TXT1v=spf1 a mx include:spf.hukot.net ~all
SOA1ns1.hukot.cz hukot.hukot.cz

Analysis

Hierarchy

zerozero.cz is a parent domain of www.zerozero.cz.

IP Addresses

zerozero.cz resolves to four IP addresses: 46.36.36.153, 176.102.65.65, 2a02:25b0:aaaa:1::4 and 2a02:25b0:aaaa:1::8.

Two other host names, along with 82-43-user.ktuo.cz, webmail.hukot.net and halamka.cz, also share IP numbers with zerozero.cz.

Name Servers

zerozero.cz has three name servers — ns1.hukot.cz, ns3.hukot.cz and ns2.securitynet.cz.

zerozero.cz shares at least some of its name servers with other domains, including ettea.com, litice.net, jirilukes.com and two others.

Each of the three hostnames points to exactly one IP address: ns1.hukot.cz points to 46.36.35.65, ns3.hukot.cz points to 46.36.36.153 and ns2.securitynet.cz points to 46.36.36.151.

Mail Servers

zerozero.cz is served by two mail servers, mx2.securitynet.cz and mail.hukot.net.

Among the domains sharing a mail server setup with zerozero.cz are touchit.cz, weria.net, uklidovatechnika.cz and two others.

There is at least a partial MX overlap between zerozero.cz and other domains, including tritong.cz, ktop.cz, shslavonice.cz and two others.

These mail servers often co-occur with the mail servers mx.securitynet.cz.

mx2.securitynet.cz and mail.hukot.net each resolve to one IP number: mx2.securitynet.cz points to 46.36.35.65 and mail.hukot.net points to 46.36.35.152.