jazzchat.cz - robtex.com

jazzchat.cz

DNSSEC⚠️ Not signed
A185.66.36.25🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805
PTRwh33.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
A40.67.208.152🇳🇱 Microsoft40.67.0.0/16
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=1658775045

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=1778730434

Subdomains

mx.jazzchat.cz

Same first word

jazzchat.cz

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NS1.ns.gigaserver.cz2.ns.gigaserver.cz3.ns.gigaserver.cz4.ns.gigaserver.czns01.dns-online.czns02.dns-online.euns03.dns-online.infoMXmail.gigaserver.czmx.jazzchat.czA185.66.36.25146.255.25.16
●NS1.ns.gigaserver.cz2026-04-06 → 2026-05-14 · 3 obs
○ 2016-08-11 09:50:16
● 2026-04-06 14:06:14
● 2026-05-14 04:15:54
●NS2.ns.gigaserver.cz2026-04-06 → 2026-05-14 · 3 obs
○ 2016-08-11 09:50:16
● 2026-04-06 14:06:14
● 2026-05-14 04:15:54
●NS3.ns.gigaserver.cz2026-04-06 → 2026-05-14 · 3 obs
○ 2016-08-11 09:50:16
● 2026-04-06 14:06:14
● 2026-05-14 04:15:54
●NS4.ns.gigaserver.cz2026-04-06 → 2026-05-14 · 3 obs
○ 2016-08-11 09:50:16
● 2026-04-06 14:06:14
● 2026-05-14 04:15:54
○NSns01.dns-online.cz2015-05-11 → 2016-03-25 · 4 obs
● 2015-05-11 20:17:44
● 2016-03-25 13:59:24
○ 2016-08-11 09:50:16
○ 2026-05-14 04:15:54
○NSns02.dns-online.eu2015-05-11 → 2016-03-25 · 4 obs
● 2015-05-11 20:17:44
● 2016-03-25 13:59:24
○ 2016-08-11 09:50:16
○ 2026-05-14 04:15:54
○NSns03.dns-online.info2015-05-11 → 2016-03-25 · 4 obs
● 2015-05-11 20:17:44
● 2016-03-25 13:59:24
○ 2016-08-11 09:50:16
○ 2026-05-14 04:15:54
●MXmail.gigaserver.cz2026-04-06 → 2026-05-14 · 3 obs
○ 2016-08-11 09:50:16
● 2026-04-06 14:06:14
● 2026-05-14 04:15:54
○MXmx.jazzchat.cz2015-05-11 → 2016-03-25 · 4 obs
● 2015-05-11 20:17:44
● 2016-03-25 13:59:24
○ 2016-08-11 09:50:16
○ 2026-05-14 04:15:54
○A146.255.25.162015-05-11 → 2016-03-25 · 4 obs
● 2015-05-11 20:17:44
● 2016-03-25 13:59:24
○ 2016-08-11 09:50:16
○ 2026-05-14 04:15:54
●A185.66.36.252026-04-06 → 2026-05-14 · 3 obs
○ 2016-08-11 09:50:16
● 2026-04-06 14:06:14
● 2026-05-14 04:15:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.66.36.92

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: 1654ms | Queries: -

📄 Records

TypeCountSample Data
A1185.66.36.25
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: 4

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

Analysis

Hierarchy

The parent of mx.jazzchat.cz is jazzchat.cz.

IP Addresses

jazzchat.cz points to a single IP: 185.66.36.25.

Other host names, for instance romancov.cz, fitbike.net, ski-petrikov.cz, dovolena-alpy.cz and istool.net share IP numbers with jazzchat.cz.

Name Servers

jazzchat.cz's delegation is handled by four name servers: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz.

jazzchat.cz partially shares name servers with other domains; examples include poznejtesvet.cz, ondrejblaha.cz, rollzeurope.com, votewiki.org and pricebot.cz.

Host names with two IP numbers: 1.ns.gigaserver.cz points to 2a03:1e20:0:5::92 and 185.66.36.92; 2.ns.gigaserver.cz points to 2a03:1e20:0:5::93 and 185.66.36.93; 3.ns.gigaserver.cz points to 2a03:1e20:0:5::250 and 185.66.36.250. Host names with one IP number: 4.ns.gigaserver.cz points to 40.67.208.152.

Mail Servers

jazzchat.cz is handled by a single mail server, mail.gigaserver.cz.

jazzchat.cz has the same mail server setup as other domains, including babuska.cz, eel.cz, sanubabu.cz, nastatecku.cz and remedi.cz.

jazzchat.cz shares at least partially some mail servers with other domains, for instance bering.cz and nesedime.cz.

mail.gigaserver.cz points to a single IP: 185.66.36.222.