spaedu.cz - robtex.com
spaedu.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.9.175.163🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | ing.r3.websupport.sk | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1780141861 | ||||||
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=1785140242 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSalfa.ns.active24.cz2015-05-30 → 2020-03-20 · 4 obs
● 2020-03-20 18:50:10
○ 2026-06-13 10:18:24
○ 2026-07-27 09:19:20
○NSbeta.ns.active24.cz2015-05-30 → 2020-03-20 · 4 obs
● 2020-03-20 18:50:10
○ 2026-06-13 10:18:24
○ 2026-07-27 09:19:20
○NSgama.ns.active24.sk2015-05-30 → 2020-03-20 · 4 obs
● 2020-03-20 18:50:10
○ 2026-06-13 10:18:24
○ 2026-07-27 09:19:20
●NSns1.websupport.cz2026-06-13 → 2026-07-27 · 3 obs
● 2026-06-13 10:18:24
● 2026-07-27 09:19:20
●NSns2.websupport.cz2026-06-13 → 2026-07-27 · 3 obs
● 2026-06-13 10:18:24
● 2026-07-27 09:19:20
●NSns3.websupport.eu2026-06-13 → 2026-07-27 · 3 obs
● 2026-06-13 10:18:24
● 2026-07-27 09:19:20
●A37.9.175.1632026-06-13 → 2026-07-27 · 3 obs
● 2026-06-13 10:18:24
● 2026-07-27 09:19:20
○A81.95.96.292015-05-30 → 2020-03-20 · 4 obs
● 2020-03-20 18:50:10
○ 2026-06-13 10:18:24
○ 2026-07-27 09:19:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| spaedu.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: 1449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.163 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Analysis
IP Addresses
spaedu.cz directs to one IP number, which is 37.9.175.163.
Among the host names that share IP numbers with spaedu.cz are dpracing.nl, fansmanie.sk, onsy.cz and two others.
Name Servers
spaedu.cz carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
At least some of spaedu.cz's name servers are shared with other domains, for example petasites.cz, 4pure.sk, inform.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.