linuxsystem.cz - robtex.com
linuxsystem.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 89.235.1.53🇨🇿 QUANTCOM-AS89.235.0.0/18 Dial Telecom, a.s. | ||||||
| PTR | whitefox.hosting4u.cz | ||||||
| NS | ns1.tele3.cz ⭐ | ||||||
| A | 2001:1528:123::d01🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | ns1.tele3.cz | ||||||
| A | 81.0.217.111🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT | ||||||
| NS | ns2.tele3.cz | ||||||
| A | 2001:4de8:fa71:7e1e::d02🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s. | ||||||
| PTR | ns2.tele3.cz | ||||||
| A | 95.80.251.222🇨🇿 QUANTCOM-AS95.80.192.0/18 Dial Telecom, a.s. | ||||||
| PTR | ns2.tele3.cz | ||||||
| NS | ns3.tele3.eu | ||||||
| A | 2a01:4f8:162:24c1::d03🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns3.tele3.eu | ||||||
| A | 5.9.97.250🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | ns3.tele3.eu | ||||||
| MX | mail.dc3.cz ⭐ | ||||||
| A | 81.0.217.5🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT | ||||||
| SOA | ns1.tele3.czroot@tele3.cz serial=1777328969 | ||||||
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=1778339834 | ||||||
Subdomains
fiber.linuxsystem.cz |
Same first word
linuxsystem.be |
linuxsystem.cz |
linuxsystem.hu |
linuxsystem.com |
linuxsystem.org |
linuxsystem.at |
linuxsystem.ru |
Similar names
systemlinux.com |
systemlinux.eu |
sixtylumens.com |
systemlinux.altervista.org |
systemlinux.org |
systemlinux.co.uk |
DNS History
11 records (5 active, 6 former)
○NSns3.tele3.cz2015-08-03 → 2017-02-19 · 4 obs
● 2017-02-19 03:48:10
○ 2026-02-22 23:22:26
○ 2026-05-09 15:41:00
●NSns3.tele3.eu2026-02-22 → 2026-05-09 · 3 obs
● 2026-02-22 23:22:26
● 2026-05-09 15:41:00
○NSns4.tele3.eu2015-11-26 → 2017-02-19 · 5 obs
● 2015-11-26 04:20:18
● 2017-02-19 03:48:10
○ 2026-02-22 23:22:26
○ 2026-05-09 15:41:00
○NSns4.tele3.sk2015-08-03 → 2015-08-03 · 3 obs
○ 2015-11-26 04:20:18
○ 2026-05-09 15:41:00
○MXblackcat.tele3.cz2015-08-03 → 2017-02-19 · 4 obs
● 2017-02-19 03:48:10
○ 2026-02-22 23:22:26
○ 2026-05-09 15:41:00
○A2001:1528:123:123::1122015-08-03 → 2017-02-19 · 4 obs
● 2017-02-19 03:48:10
○ 2026-02-22 23:22:26
○ 2026-05-09 15:41:00
○A81.0.217.1122015-08-03 → 2017-02-19 · 4 obs
● 2017-02-19 03:48:10
○ 2026-02-22 23:22:26
○ 2026-05-09 15:41:00
●A89.235.1.532026-02-22 → 2026-05-09 · 3 obs
● 2026-02-22 23:22:26
● 2026-05-09 15:41:00
🔍 DNS Trace
Analysis
Hierarchy
The parent of fiber.linuxsystem.cz is linuxsystem.cz.
IP Addresses
linuxsystem.cz points to IP number: 89.235.1.53.
Other host names such as webus.cz, czis.cz, trhpujcek.eu, whitefox.dc3.cz and pekne.cz share IPs with linuxsystem.cz.
Name Servers
linuxsystem.cz is delegated to three name servers: ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.
linuxsystem.cz at least partially shares name servers with other domains, for instance dompo.cz, unreel.cz, 3579.cz, pame.sk and krusis.cz.
these name servers are often used in conjunction with the name servers ns4.tele3.us.
Host ns1.tele3.cz points to 2001:1528:123::d01 and 81.0.217.111; Host ns2.tele3.cz points to 2001:4de8:fa71:7e1e::d02 and 95.80.251.222; Host ns3.tele3.eu points to 2a01:4f8:162:24c1::d03 and 5.9.97.250.
Mail Servers
linuxsystem.cz is handled by a single mail server, mail.dc3.cz.
The mail server setup for linuxsystem.cz matches that of other domains, for instance 1blog.cz, komfortne.cz, zuhk.cz, franke-servis.cz and dilhof.sk.
linuxsystem.cz shares at least partially some mail servers with other domains, including strojimport.eu, novis.cz, spedex.cz, gbob.cz and pasi.cz.
mail.dc3.cz points to a single IP: 81.0.217.5.