astrocentrum.cz - robtex.com
astrocentrum.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=1786238238 | ||||||
Same first word
astrocentrum.cz |
Similar names
DNS History
12 records (6 active, 6 former)
○NSns.etnetera.cz2015-08-25 → 2017-09-13 · 4 obs
● 2017-09-13 18:18:08
○ 2026-03-01 08:16:24
○ 2026-08-09 01:20:28
●NSns1.websupport.cz2026-03-01 → 2026-08-09 · 3 obs
● 2026-03-01 08:16:24
● 2026-08-09 01:20:28
●NSns2.websupport.cz2026-03-01 → 2026-08-09 · 3 obs
● 2026-03-01 08:16:24
● 2026-08-09 01:20:28
●NSns3.websupport.eu2026-03-01 → 2026-08-09 · 3 obs
● 2026-03-01 08:16:24
● 2026-08-09 01:20:28
○NSsns.etnetera.cz2015-08-25 → 2017-09-13 · 4 obs
● 2017-09-13 18:18:08
○ 2026-03-01 08:16:24
○ 2026-08-09 01:20:28
●MXa2e7eeede594bed0.mx1.emailprofi.seznam.cz2026-03-01 → 2026-08-09 · 3 obs
● 2026-03-01 08:16:24
● 2026-08-09 01:20:28
●MXa2e7eeede594bed0.mx2.emailprofi.seznam.cz2026-03-01 → 2026-08-09 · 3 obs
● 2026-03-01 08:16:24
● 2026-08-09 01:20:28
○MXhammer-03.spamone.cz2015-08-25 → 2017-09-13 · 4 obs
● 2017-09-13 18:18:08
○ 2026-03-01 08:16:24
○ 2026-08-09 01:20:28
○MXmxbck.etnetera.cz2015-08-25 → 2017-09-13 · 4 obs
● 2017-09-13 18:18:08
○ 2026-03-01 08:16:24
○ 2026-08-09 01:20:28
○A178.238.35.1212015-08-25 → 2017-09-13 · 4 obs
● 2017-09-13 18:18:08
○ 2026-03-01 08:16:24
○ 2026-08-09 01:20:28
●A217.16.182.422026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 01:20:28
○A89.221.216.1362026-03-01 → 2026-03-01 · 3 obs
● 2026-03-01 08:16:24
○ 2026-08-09 01:20:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | - |
| astrocentrum.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: 484ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.16.182.42 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | a2e7eeede594bed0.mx2.emailprofi.seznam.c, a2e7eeede594bed0.mx1.emailprofi.seznam.c |
| TXT | 2 | v=spf1 include:spf.pixman.cz include:spf, google-site-verification=nWWubtlwlKtESOZ |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
astrocentrum.cz directs to one IP number, which is 217.16.182.42.
Host names like pixman.cz are further examples that share IP numbers with astrocentrum.cz.
Name Servers
astrocentrum.cz carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
astrocentrum.cz shares at least some of its name servers with other domains, including stejkarna.cz, dekoratex.sk, inliko.com and two others.
These name servers are frequently paired with the name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
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
The MX records for astrocentrum.cz point to two mail servers: a2e7eeede594bed0.mx1.emailprofi.seznam.cz and a2e7eeede594bed0.mx2.emailprofi.seznam.cz.
a2e7eeede594bed0.mx1.emailprofi.seznam.cz and a2e7eeede594bed0.mx2.emailprofi.seznam.cz both carry two IP addresses. The A records for a2e7eeede594bed0.mx1.emailprofi.seznam.cz are 77.75.77.56 and 2a02:598:2::1056; the A records for a2e7eeede594bed0.mx2.emailprofi.seznam.cz are 77.75.77.146 and 2a02:598:2::1146.