buildingguide.cz - robtex.com
buildingguide.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.235.105.13🇨🇿 SuperNetwork37.235.96.0/20 s.r.o. | ||||||
| PTR | nik08.vas-server.cz | ||||||
| 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 | ||||||
| MX | nik08.vas-server.cz ⭐ | ||||||
| A | 2a01:28:ca:112::1:253🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | nik08.vas-server.cz | ||||||
| A | 37.235.105.13🇨🇿 SuperNetwork37.235.96.0/20 s.r.o. | ||||||
| PTR | nik08.vas-server.cz | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1707710040 | ||||||
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=1771291036 | ||||||
Same first word
buildingguide.cz |
buildingguide.co.nz |
DNS History
10 records (5 active, 5 former)
○NSalfa.ns.active24.cz2018-05-09 → 2018-05-09 · 2 obs
○ 2026-03-22 16:48:16
○NSbeta.ns.active24.cz2018-05-09 → 2018-05-09 · 2 obs
○ 2026-03-22 16:48:16
○NSgama.ns.active24.sk2018-05-09 → 2018-05-09 · 2 obs
○ 2026-03-22 16:48:16
●NSns1.websupport.cz2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 16:48:16
●NSns2.websupport.cz2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 16:48:16
●NSns3.websupport.eu2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 16:48:16
○MXbuildingguide.cz2018-05-09 → 2018-05-09 · 2 obs
○ 2026-03-22 16:48:16
●MXnik08.vas-server.cz2026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 16:48:16
●A37.235.105.132026-03-22 → 2026-03-22 · 2 obs
● 2026-03-22 16:48:16
○A46.234.101.482018-05-09 → 2018-05-09 · 2 obs
○ 2026-03-22 16:48:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| buildingguide.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: 1169ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.235.105.13 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | nik08.vas-server.cz (pri: 10) |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
buildingguide.cz resolves to one IP number: 37.235.105.13.
other host names including spartangym.cz, antinari.cz, trv.cz, www.antinari.cz and microweb.cz share IP numbers with buildingguide.cz.
Name Servers
buildingguide.cz is delegated to three name servers ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
buildingguide.cz at least partially shares name servers with other domains, for instance pojistne-ventily.cz, cinex.info, comseco.cz, bv-dex.cz and mplusm-fan.com.
Host names with two IP numbers:
ns1.websupport.cz points to: 2a10:bbc0::11 and 45.10.97.11.
ns2.websupport.cz points to: 2a02:250:3::12 and 185.71.159.12.
ns3.websupport.eu points to: 2a10:bbc0::13 and 45.10.97.13.
Mail Servers
buildingguide.cz is handled by a single mail server, nik08.vas-server.cz.
buildingguide.cz shares the same mail server setup as other domains, for instance microweb.cz, nik08.vas-server.cz, mwplugins.com and spartangym.cz.
nik08.vas-server.cz resolves to two IP numbers: 2a01:28:ca:112::1:253 and 37.235.105.13.