cssa.cz - dns.ninja

cssa.cz

DNSSEC🔒 Signed (DS record present)
A185.66.36.83🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTRwh43.farma.gigaserver.cz
NS1.ns.gigaserver.cz ⭐
A2a03:1e20:0:5::92🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804
PTR1.ns.gigaserver.cz
A185.66.36.92🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTR1.ns.gigaserver.cz
NS2.ns.gigaserver.cz
A2a03:1e20:0:5::93🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804
PTR2.ns.gigaserver.cz
A185.66.36.93🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTR2.ns.gigaserver.cz
NS3.ns.gigaserver.cz
A2a03:1e20:0:5::250🇨🇿 GIGASERVER2a03:1e20::/32 CZ-SEONET-20140804
PTR3.ns.gigaserver.cz
A185.66.36.250🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTR3.ns.gigaserver.cz
NS4.ns.gigaserver.cz
A2603:1020:201::36d🇳🇱 Microsoft2603:1000::/25 MICROSOFT
A40.67.208.152🇳🇱 Microsoft40.67.0.0/16
PTR4.ns.gigaserver.cz
MXmail.gigaserver.cz ⭐
A185.66.36.222🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTRmail.gigaserver.cz
TXTv=spf1 mx a include:smtp-gw.gigaserver.cz ~all
SOA1.ns.gigaserver.czdns@gigaserver.cz serial=1603667767

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=1786765659

Subdomains

mail.cssa.cz

Same first word

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cssa.veneto.it
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cass.work
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acss.org
cass.org.ua
cass.email
cass.org.zw
scsa.in
assc.it
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scas.se
acss.nl
assc.us
cass.cn
cass.ie
ssac.jp
scas.at
csas.uk.com
cass.asia
csas.cz
cass.kr
scsa.co.kr

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NS1.ns.gigaserver.cz2.ns.gigaserver.cz3.ns.gigaserver.cz4.ns.gigaserver.czns.gransy.comns1.above.comns2.above.comns2.gransy.comns3.gransy.comns4.gransy.comns5.gransy.comMXmail.gigaserver.czmail.cssa.czmail.post-host.netA185.66.36.83103.224.182.241103.224.182.250188.166.15.184
●NS1.ns.gigaserver.cz2020-11-30 → 2026-08-15 · 3 obs
○ 2017-09-23 21:15:38
● 2020-11-30 06:00:28
● 2026-08-15 04:09:54
●NS2.ns.gigaserver.cz2020-11-30 → 2026-08-15 · 3 obs
○ 2017-09-23 21:15:38
● 2020-11-30 06:00:28
● 2026-08-15 04:09:54
●NS3.ns.gigaserver.cz2020-11-30 → 2026-08-15 · 3 obs
○ 2017-09-23 21:15:38
● 2020-11-30 06:00:28
● 2026-08-15 04:09:54
●NS4.ns.gigaserver.cz2020-11-30 → 2026-08-15 · 3 obs
○ 2017-09-23 21:15:38
● 2020-11-30 06:00:28
● 2026-08-15 04:09:54
○NSns.gransy.com2017-09-23 → 2017-09-23 · 4 obs
○ 2016-11-30 18:08:20
● 2017-09-23 21:15:38
○ 2020-11-30 06:00:28
○ 2026-08-15 04:09:54
○NSns1.above.com2015-07-21 → 2016-11-30 · 4 obs
● 2015-07-21 20:33:24
● 2016-11-30 18:08:20
○ 2017-09-23 21:15:38
○ 2026-08-15 04:09:54
○NSns2.above.com2015-07-21 → 2016-11-30 · 4 obs
● 2015-07-21 20:33:24
● 2016-11-30 18:08:20
○ 2017-09-23 21:15:38
○ 2026-08-15 04:09:54
○NSns2.gransy.com2017-09-23 → 2017-09-23 · 4 obs
○ 2016-11-30 18:08:20
● 2017-09-23 21:15:38
○ 2020-11-30 06:00:28
○ 2026-08-15 04:09:54
○NSns3.gransy.com2017-09-23 → 2017-09-23 · 4 obs
○ 2016-11-30 18:08:20
● 2017-09-23 21:15:38
○ 2020-11-30 06:00:28
○ 2026-08-15 04:09:54
○NSns4.gransy.com2017-09-23 → 2017-09-23 · 4 obs
○ 2016-11-30 18:08:20
● 2017-09-23 21:15:38
○ 2020-11-30 06:00:28
○ 2026-08-15 04:09:54
○NSns5.gransy.com2017-09-23 → 2017-09-23 · 4 obs
○ 2016-11-30 18:08:20
● 2017-09-23 21:15:38
○ 2020-11-30 06:00:28
○ 2026-08-15 04:09:54
○MXmail.cssa.cz2017-09-23 → 2020-11-30 · 5 obs
○ 2016-11-30 18:08:20
● 2017-09-23 21:15:38
● 2020-11-30 06:00:28
○ 2026-02-24 05:31:44
○ 2026-08-15 04:09:54
●MXmail.gigaserver.cz2026-02-24 → 2026-08-15 · 3 obs
○ 2020-11-30 06:00:28
● 2026-02-24 05:31:44
● 2026-08-15 04:09:54
○MXmail.post-host.net2015-07-21 → 2016-10-01 · 4 obs
● 2015-07-21 20:33:24
● 2016-10-01 00:51:34
○ 2016-11-30 18:08:20
○ 2026-08-15 04:09:54
○A103.224.182.2412015-11-19 → 2016-11-30 · 5 obs
○ 2015-07-21 20:33:24
● 2015-11-19 11:05:36
● 2016-11-30 18:08:20
○ 2017-09-23 21:15:38
○ 2026-08-15 04:09:54
○A103.224.182.2502015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 20:33:24
○ 2015-11-19 11:05:36
○ 2026-08-15 04:09:54
●A185.66.36.832020-11-30 → 2026-08-15 · 3 obs
○ 2017-09-23 21:15:38
● 2020-11-30 06:00:28
● 2026-08-15 04:09:54
○A188.166.15.1842017-09-23 → 2017-09-23 · 4 obs
○ 2016-11-30 18:08:20
● 2017-09-23 21:15:38
○ 2020-11-30 06:00:28
○ 2026-08-15 04:09:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
cssa.cz1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz4 records

✅ Authoritative Response

Server:40.67.208.152

NS records: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1937ms | Queries: -

📄 Records

TypeCountSample Data
A1185.66.36.83
NS41.ns.gigaserver.cz, 2.ns.gigaserver.cz...
MX1mail.gigaserver.cz (pri: 50)
TXT1v=spf1 mx a include:smtp-gw.gigaserver.c
SOA11.ns.gigaserver.cz dns.gigaserver.cz

📌 Glue Records Collected

Total: 12

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)

Out-of-bailiwick: 4 (1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz...)

Analysis

Hierarchy

mail.cssa.cz is delegated beneath cssa.cz.

IP Addresses

cssa.cz points to a single IP number: 185.66.36.83.

Additional host names — klenotnictvi-k.cz, jobit.in, cbdesign.cz and two others — share IP numbers with cssa.cz.

Name Servers

cssa.cz has four authoritative name servers: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz.

There is at least partial name server overlap between cssa.cz and other domains — jobit.in, e-soft.cz, online-shop.hk and two more among them.

All four hostnames — 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz — resolve to two IP numbers apiece: 1.ns.gigaserver.cz to 185.66.36.92 and 2a03:1e20:0:5::92; 2.ns.gigaserver.cz to 185.66.36.93 and 2a03:1e20:0:5::93; 3.ns.gigaserver.cz to 185.66.36.250 and 2a03:1e20:0:5::250; 4.ns.gigaserver.cz to 40.67.208.152 and 2603:1020:201::36d.

Mail Servers

cssa.cz has one mail server: mail.gigaserver.cz.

cssa.cz shares the same mail server setup as other domains, including tennis-club.cz, vjcars.cz, udrzbazelene.eu and two others.

cssa.cz and other domains — cool-ceny.cz for instance — share at least some mail servers.

mail.gigaserver.cz has exactly one IP number: 185.66.36.222.