linuxhost.cz - robtex.com
linuxhost.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.170.99.20🇨🇿 CZ-NORDICTELECOMREGIONAL217.170.96.0/20 | ||||||
| PTR | ns1.linuxhost.cz | ||||||
| NS | ns1.linuxhost.cz ⭐ | ||||||
| A | 217.170.99.20🇨🇿 CZ-NORDICTELECOMREGIONAL217.170.96.0/20 | ||||||
| PTR | ns1.linuxhost.cz | ||||||
| NS | ns2.linuxhost.cz | ||||||
| A | 46.167.231.5🇨🇿 VODAFONE-CZ-AS46.167.224.0/19 Vodafone Czech Republic a.s. | ||||||
| PTR | ns2.linuxhost.cz | ||||||
| MX | mail.linuxhost.cz ⭐ | ||||||
| A | 217.170.99.20🇨🇿 CZ-NORDICTELECOMREGIONAL217.170.96.0/20 | ||||||
| PTR | ns1.linuxhost.cz | ||||||
| TXT | v=spf1 a mx ip4:217.170.99.20 ip4:217.170.99.20 ~all | ||||||
| SOA | ns1.linuxhost.czpostmaster@linuxhost.cz 2015-10-19 #0 | ||||||
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=1783471640 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.linuxhost.cz2015-07-17 → 2026-07-08 · 2 obs
● 2026-07-08 01:25:34
●NSns2.linuxhost.cz2015-07-17 → 2026-07-08 · 2 obs
● 2026-07-08 01:25:34
●MXmail.linuxhost.cz2015-07-17 → 2026-07-08 · 2 obs
● 2026-07-08 01:25:34
●A217.170.99.202015-07-17 → 2026-07-08 · 2 obs
● 2026-07-08 01:25:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| linuxhost.cz | ns1.linuxhost.cz, ns2.linuxhost.cz | 2 records |
✅ Authoritative Response
Server:217.170.99.20
NS records: ns1.linuxhost.cz, ns2.linuxhost.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxhost.cz (unsigned zone)
⏱️ Timing
Total: 777ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.170.99.20 |
| NS | 2 | ns2.linuxhost.cz, ns1.linuxhost.cz |
| MX | 1 | mail.linuxhost.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:217.170.99.20 ip4:217.17 |
| SOA | 1 | ns1.linuxhost.cz postmaster.linuxhost.cz |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.linuxhost.cz, ns2.linuxhost.cz)
Analysis
Hierarchy
ns2.linuxhost.cz, ns1.linuxhost.cz and mail.linuxhost.cz each fall under the parent domain linuxhost.cz.
IP Addresses
linuxhost.cz directs to one IP number, which is 217.170.99.20.
ns1.linuxhost.cz and mail.linuxhost.cz, along with other host names, share IP addresses with linuxhost.cz.
Name Servers
linuxhost.cz is served by two delegated name servers, ns1.linuxhost.cz and ns2.linuxhost.cz.
ns1.linuxhost.cz resolves to 217.170.99.20. ns2.linuxhost.cz resolves to 46.167.231.5. Both host names point to a single IP number.
Mail Servers
linuxhost.cz routes its mail through a single mail server, mail.linuxhost.cz.
There is one IP number for mail.linuxhost.cz: 217.170.99.20.