niva.cz - robtex.com

niva.cz

DNSSEC🔒 Signed (DS record present)
A37.9.175.164🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24
PTRing.r3.websupport.sk
NSns1.websupport.cz ⭐
A2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns1.websupport.eu
A45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns1.websupport.eu
NSns2.websupport.cz
A2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48
PTRns2.websupport.eu
A185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24
PTRns2.websupport.eu
NSns3.websupport.eu
A2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns3.websupport.eu
A45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns3.websupport.eu
MXniva-cz.mail.protection.outlook.com ⭐
SOAns1.websupport.czadmin@websupport.cz serial=1779988444

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=1783194441
WOT: SAFE (64/100)

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DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.euns1.thinline.czns2.thinline.czns3.cesky-hosting.euMXniva-cz.mail.protection.outlook.comms39607980.msv1.invalidmx1a20.thinline.czmx1b10.thinline.czA37.9.175.1642a00:1ed0:2:0:1:5bef:c846:191.239.200.70
○NSns1.thinline.cz2015-07-08 → 2021-04-03 · 4 obs
● 2015-07-08 09:18:28
● 2021-04-03 02:21:22
○ 2026-06-13 05:32:42
○ 2026-07-04 20:13:18
●NSns1.websupport.cz2026-06-13 → 2026-07-04 · 3 obs
○ 2021-04-03 02:21:22
● 2026-06-13 05:32:42
● 2026-07-04 20:13:18
○NSns2.thinline.cz2015-07-08 → 2021-04-03 · 4 obs
● 2015-07-08 09:18:28
● 2021-04-03 02:21:22
○ 2026-06-13 05:32:42
○ 2026-07-04 20:13:18
●NSns2.websupport.cz2026-06-13 → 2026-07-04 · 3 obs
○ 2021-04-03 02:21:22
● 2026-06-13 05:32:42
● 2026-07-04 20:13:18
○NSns3.cesky-hosting.eu2015-07-08 → 2021-04-03 · 4 obs
● 2015-07-08 09:18:28
● 2021-04-03 02:21:22
○ 2026-06-13 05:32:42
○ 2026-07-04 20:13:18
●NSns3.websupport.eu2026-06-13 → 2026-07-04 · 3 obs
○ 2021-04-03 02:21:22
● 2026-06-13 05:32:42
● 2026-07-04 20:13:18
○MXms39607980.msv1.invalid2017-03-27 → 2021-04-03 · 5 obs
○ 2016-08-27 05:49:38
● 2017-03-27 16:01:36
● 2021-04-03 02:21:22
○ 2026-06-13 05:32:42
○ 2026-07-04 20:13:18
○MXmx1a20.thinline.cz2015-07-08 → 2016-08-27 · 4 obs
● 2015-07-08 09:18:28
● 2016-08-27 05:49:38
○ 2017-03-27 16:01:36
○ 2026-07-04 20:13:18
○MXmx1b10.thinline.cz2015-07-08 → 2016-08-27 · 4 obs
● 2015-07-08 09:18:28
● 2016-08-27 05:49:38
○ 2017-03-27 16:01:36
○ 2026-07-04 20:13:18
●MXniva-cz.mail.protection.outlook.com2017-08-06 → 2026-07-04 · 3 obs
○ 2017-03-27 16:01:36
● 2017-08-06 23:19:38
● 2026-07-04 20:13:18
○A2a00:1ed0:2:0:1:5bef:c846:12015-07-08 → 2021-04-03 · 4 obs
● 2015-07-08 09:18:28
● 2021-04-03 02:21:22
○ 2026-06-13 05:32:42
○ 2026-07-04 20:13:18
●A37.9.175.1642026-06-13 → 2026-07-04 · 3 obs
○ 2021-04-03 02:21:22
● 2026-06-13 05:32:42
● 2026-07-04 20:13:18
○A91.239.200.702015-07-08 → 2021-04-03 · 4 obs
● 2015-07-08 09:18:28
● 2021-04-03 02:21:22
○ 2026-06-13 05:32:42
○ 2026-07-04 20:13:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
niva.czns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1305ms | Queries: -

📄 Records

TypeCountSample Data
A137.9.175.164
NS3ns1.websupport.cz, ns2.websupport.cz...
MX1niva-cz.mail.protection.outlook.com (pri
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

IP Addresses

niva.cz directs to one IP number, which is 37.9.175.164.

Among the host names that share IP numbers with niva.cz are txt.metalkovmb.cz, biomech.cz, kilian.cz and two others.

Name Servers

Three name servers are authoritative for niva.cz: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

There is at least partial name server overlap between niva.cz and other domains — biodomus.at, expo-club.cz, gymnachod.cz and two more among them.

ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13. All three hostnames point to two IP numbers each.

Mail Servers

niva.cz routes its mail through a single mail server, niva-cz.mail.protection.outlook.com.