sps-centrum.cz - robtex.com
sps-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=1786110443 | ||||||
Subdomains
mail.sps-centrum.cz |
Same first word
sps-centrum.cz |
DNS History
11 records (4 active, 7 former)
○NSalfa.ns.active24.cz2015-07-20 → 2016-11-07 · 4 obs
● 2016-11-07 12:49:06
○ 2026-03-19 17:28:00
○ 2026-08-07 14:26:50
○NSbeta.ns.active24.cz2015-07-20 → 2016-11-07 · 4 obs
● 2016-11-07 12:49:06
○ 2026-03-19 17:28:00
○ 2026-08-07 14:26:50
○NSgama.ns.active24.sk2015-07-20 → 2016-11-07 · 4 obs
● 2016-11-07 12:49:06
○ 2026-03-19 17:28:00
○ 2026-08-07 14:26:50
●NSns1.websupport.cz2026-03-19 → 2026-08-07 · 3 obs
● 2026-03-19 17:28:00
● 2026-08-07 14:26:50
●NSns2.websupport.cz2026-03-19 → 2026-08-07 · 3 obs
● 2026-03-19 17:28:00
● 2026-08-07 14:26:50
●NSns3.websupport.eu2026-03-19 → 2026-08-07 · 3 obs
● 2026-03-19 17:28:00
● 2026-08-07 14:26:50
○MXmail.sps-centrum.cz2015-07-20 → 2016-11-07 · 4 obs
● 2016-11-07 12:49:06
○ 2026-03-19 17:28:00
○ 2026-08-07 14:26:50
○MXmx.smtp.cz2015-07-20 → 2016-11-07 · 4 obs
● 2016-11-07 12:49:06
○ 2026-03-19 17:28:00
○ 2026-08-07 14:26:50
○MXsmtpll.vol.cz2015-07-20 → 2016-11-07 · 4 obs
● 2016-11-07 12:49:06
○ 2026-03-19 17:28:00
○ 2026-08-07 14:26:50
○MXsmtpll2.vol.cz2015-07-20 → 2016-11-07 · 4 obs
● 2016-11-07 12:49:06
○ 2026-03-19 17:28:00
○ 2026-08-07 14:26:50
●MXspscentrum-cz0i.mail.protection.outlook.com2026-03-19 → 2026-08-07 · 3 obs
● 2026-03-19 17:28:00
● 2026-08-07 14:26:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz | - |
| sps-centrum.cz | ns1.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: 770ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | spscentrum-cz0i.mail.protection.outlook. |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
The domain mail.sps-centrum.cz falls under the parent sps-centrum.cz.
Name Servers
sps-centrum.cz carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
At least some of sps-centrum.cz's name servers are shared with other domains, for example c-g.cz, yammer.cz, czgarden.cz and two more.
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
sps-centrum.cz has one mail server: spscentrum-cz0i.mail.protection.outlook.com.
spscentrum-cz0i.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.0, 52.101.68.8, 52.101.73.1 and 5 other.