ad-centrum.cz - robtex.com
ad-centrum.cz
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1785647842 | ||||||
Subdomains
mx.ad-centrum.cz |
Same first word
ad-centrum.cz |
DNS History
10 records (5 active, 5 former)
○NSinet.faster.cz2015-06-11 → 2016-12-18 · 4 obs
● 2016-12-18 15:22:34
○ 2018-07-18 17:29:18
○ 2026-08-02 06:12:04
○NSns.bns.cz2015-06-11 → 2016-12-18 · 4 obs
● 2016-12-18 15:22:34
○ 2018-07-18 17:29:18
○ 2026-08-02 06:12:04
○NSns.bns.local2015-06-11 → 2015-10-26 · 4 obs
● 2015-10-26 15:52:40
○ 2016-01-16 04:30:00
○ 2026-08-02 06:12:04
●NSns1.openprovider.nl2026-04-10 → 2026-08-02 · 3 obs
● 2026-04-10 21:44:38
● 2026-08-02 06:12:04
●NSns2.openprovider.be2026-04-10 → 2026-08-02 · 3 obs
● 2026-04-10 21:44:38
● 2026-08-02 06:12:04
●NSns3.openprovider.eu2026-04-10 → 2026-08-02 · 3 obs
● 2026-04-10 21:44:38
● 2026-08-02 06:12:04
○MXmail.ad-centrum.cz2015-06-11 → 2016-12-18 · 4 obs
● 2016-12-18 15:22:34
○ 2018-07-18 17:29:18
○ 2026-08-02 06:12:04
●MXmx.ad-centrum.cz2026-04-10 → 2026-08-02 · 3 obs
● 2026-04-10 21:44:38
● 2026-08-02 06:12:04
●A64.190.63.1112026-04-10 → 2026-08-02 · 3 obs
● 2026-04-10 21:44:38
● 2026-08-02 06:12:04
○A82.100.40.962015-06-11 → 2015-10-26 · 4 obs
● 2015-10-26 15:52:40
○ 2016-01-16 04:30:00
○ 2026-08-02 06:12:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | 8 records |
| ad-centrum.cz | ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu | - |
✅ Authoritative Response
Server:162.159.26.10
NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.190.63.111 |
| NS | 3 | ns1.openprovider.nl, ns3.openprovider.eu... |
| MX | 1 | mx.ad-centrum.cz (pri: 5) |
| TXT | 2 | d03f1c7bfdb17f6085cfc4aedcd2a686b5c61ed6, v=spf1 -all |
| SOA | 1 | ns1.openprovider.nl dns.openprovider.eu |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)
Analysis
Hierarchy
ad-centrum.cz is a parent domain of mx.ad-centrum.cz.
IP Addresses
ad-centrum.cz resolves to just one IP address, 64.190.63.111.
Two other host names, along with verbeter.com, htmlhelp.de and bethenga.com, also share IP numbers with ad-centrum.cz.
Name Servers
DNS for ad-centrum.cz is handled by three authoritative name servers: ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.
ad-centrum.cz shares at least some of its name servers with other domains, including drimmelen.nl, tkva.de, supermaritime.eu and two others.
Three hostnames — ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl — each have two IP addresses: ns2.openprovider.be has 162.159.27.96 and 2400:cb00:2049:1::a29f:1b60, ns3.openprovider.eu has 162.159.48.89 and 2400:cb00:2049:1::a29f:3059, and ns1.openprovider.nl has 162.159.26.10 and 2400:cb00:2049:1::a29f:1a0a.
Mail Servers
The sole mail server for ad-centrum.cz is mx.ad-centrum.cz.
mx.ad-centrum.cz has three IP addresses: 34.146.158.242, 104.248.5.183 and 167.99.204.226.