data-centrum.net - dns.ninja

data-centrum.net

DNSSEC🔒 Signed (DS record present)
A2a01:5f7:c001::aaaa🇨🇿 SK-TELEKOM2a01:5f7::/32 Network of Coolhousing
A91.245.16.10🇨🇿 SK-TELEKOM91.245.16.0/23 Network of Coolhousing
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
MXposta.coolhousing.net ⭐
A2a01:5f0:2::aabb🇨🇿 COOLHOUSING-AS2a01:5f0::/32 Network of Coolhousing
PTRposta.coolhousing.net
A87.236.192.50🇨🇿 COOLHOUSING-AS87.236.192.0/24 Network of Coolhousing
PTRposta.coolhousing.net
SOAns1.websupport.czadmin@websupport.cz serial=1763668394

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783956317

Subdomains

mail.data-centrum.net

Same first word

data-centrum.nl
data-centrum.net

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czMXposta.coolhousing.netmail.data-centrum.netA2a01:5f7:c001::aaaa91.245.16.1089.187.142.27
○NSalfa.ns.active24.cz2015-07-13 → 2018-07-19 · 4 obs
● 2015-07-13 13:33:18
● 2018-07-19 23:19:40
○ 2026-04-11 08:08:12
○ 2026-07-13 15:39:02
○NSbeta.ns.active24.cz2015-07-13 → 2018-07-19 · 4 obs
● 2015-07-13 13:33:18
● 2018-07-19 23:19:40
○ 2026-04-11 08:08:12
○ 2026-07-13 15:39:02
●NSns1.websupport.cz2026-04-11 → 2026-07-13 · 3 obs
○ 2018-07-19 23:19:40
● 2026-04-11 08:08:12
● 2026-07-13 15:39:02
●NSns2.websupport.cz2026-04-11 → 2026-07-13 · 3 obs
○ 2018-07-19 23:19:40
● 2026-04-11 08:08:12
● 2026-07-13 15:39:02
●NSns3.websupport.eu2026-04-11 → 2026-07-13 · 3 obs
○ 2018-07-19 23:19:40
● 2026-04-11 08:08:12
● 2026-07-13 15:39:02
○MXmail.data-centrum.net2015-07-13 → 2018-07-19 · 4 obs
● 2015-07-13 13:33:18
● 2018-07-19 23:19:40
○ 2026-04-11 08:08:12
○ 2026-07-13 15:39:02
●MXposta.coolhousing.net2026-04-11 → 2026-07-13 · 3 obs
○ 2018-07-19 23:19:40
● 2026-04-11 08:08:12
● 2026-07-13 15:39:02
●A2a01:5f7:c001::aaaa2026-04-11 → 2026-07-13 · 3 obs
○ 2018-07-19 23:19:40
● 2026-04-11 08:08:12
● 2026-07-13 15:39:02
○A89.187.142.272015-07-13 → 2018-07-19 · 4 obs
● 2015-07-13 13:33:18
● 2018-07-19 23:19:40
○ 2026-04-11 08:08:12
○ 2026-07-13 15:39:02
●A91.245.16.102026-04-11 → 2026-07-13 · 3 obs
○ 2018-07-19 23:19:40
● 2026-04-11 08:08:12
● 2026-07-13 15:39:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
data-centrum.netns1.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: 1353ms | Queries: -

📄 Records

TypeCountSample Data
A191.245.16.10
AAAA12a01:5f7:c001::aaaa
NS3ns1.websupport.cz, ns2.websupport.cz...
MX1posta.coolhousing.net (pri: 1)
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

Hierarchy

data-centrum.net serves as the parent of mail.data-centrum.net.

IP Addresses

data-centrum.net resolves to the IP addresses 91.245.16.10 and 2a01:5f7:c001::aaaa

Among the host names that share IP numbers with data-centrum.net are colhousing.cz, cool-housing.cz, virtualniserverlite.cz and two others.

Name Servers

data-centrum.net carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

data-centrum.net has at least partial name server overlap with other domains, such as 4support2u.nl, oilers.cz, skkometapraha.cz and two others.

ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu are three hostnames that each resolve to a pair of IP addresses: ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

data-centrum.net routes its mail through a single mail server, posta.coolhousing.net.

data-centrum.net has the same mail server arrangement as a number of other domains, for example coolhousing.eu, colhousing.net, coolhousing.at and two more.

posta.coolhousing.net has two IP addresses: 87.236.192.50 and 2a01:5f0:2::aabb.