holster.cz - robtex.com
holster.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=1776179834 | ||||||
Subdomains
Same first word
holster.org |
holster.at |
holster.com |
holster.dk |
holster.de |
holster.ch |
holster.com.ua |
holster.ca |
holster.co |
holster.ru |
holster.be |
holster.cz |
holster.eu |
Similar names
DNS History
9 records (7 active, 2 former)
●NSns1.websupport.sk2015-05-10 → 2026-04-14 · 2 obs
● 2026-04-14 15:59:26
●NSns2.websupport.sk2015-05-10 → 2026-04-14 · 2 obs
● 2026-04-14 15:59:26
●NSns3.websupport.sk2015-05-10 → 2026-04-14 · 2 obs
● 2026-04-14 15:59:26
●MXmailin1.holster.cz2015-05-10 → 2026-04-14 · 2 obs
● 2026-04-14 15:59:26
●MXmailin2.holster.cz2015-05-10 → 2026-04-14 · 2 obs
● 2026-04-14 15:59:26
○MXmailinbackup1.holster.cz2015-05-10 → 2016-04-06 · 4 obs
● 2016-04-06 22:12:08
○ 2016-09-16 18:59:44
○ 2026-04-14 15:59:26
●A2a00:4b40:aaaa:2005::62026-03-27 → 2026-04-14 · 3 obs
● 2026-03-27 12:09:44
● 2026-04-14 15:59:26
●A37.9.175.1632026-03-27 → 2026-04-14 · 3 obs
● 2026-03-27 12:09:44
● 2026-04-14 15:59:26
○A37.9.175.52015-05-10 → 2017-05-15 · 4 obs
● 2017-05-15 12:51:18
○ 2026-03-27 12:09:44
○ 2026-04-14 15:59:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| holster.cz | ns3.websupport.sk, ns1.websupport.sk, ns2.websupport.sk | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns3.websupport.sk, ns1.websupport.sk, ns2.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 638ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.163 |
| AAAA | 1 | 2a00:4b40:aaaa:2005::6 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mailin1.holster.cz (pri: 5), mailin2.holster.cz (pri: 10) |
| TXT | 2 | v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
Analysis
Hierarchy
holster.cz is a parent of mailin1.holster.cz and mailin2.holster.cz.
IP Addresses
The entity holster.cz points to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.163.
For instance, other host names kuhtreiber.com, www.testiana.cz, sprig.cz, compacer.cz and hopkirk.cz share IP numbers with holster.cz.
Name Servers
The delegation for holster.cz is handled by three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
holster.cz shares name servers with other domains at least partially, for example mojseband.sk, faex.sk, aela.sk, isir.info and wanderlust.cz.
These name servers are commonly used with ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
Host names with two IPs:
ns1.websupport.sk points to 2a10:bbc0::11 and 45.10.97.11
ns2.websupport.sk points to 2a02:250:3::12 and 185.71.159.12
ns3.websupport.sk points to 2a10:bbc0::13 and 45.10.97.13
Mail Servers
Two mail servers mailin1.holster.cz and mailin2.holster.cz handle holster.cz.
Host names with two IP numbers:
mailin1.holster.cz points to 2a00:4b40:aaaa:2101:45:13:137:7 and 45.13.137.7; mailin2.holster.cz points to 2a00:4b40:aaaa:2101:45:13:137:8 and 45.13.137.8.