robot.cz - robtex.com
robot.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:4de8:fa71:7e1e::f053🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s. | ||||||
| PTR | whitefox.hosting4u.cz | ||||||
| A | 89.235.1.53🇨🇿 QUANTCOM-AS89.235.0.0/18 Dial Telecom, a.s. | ||||||
| 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 | redmail.cloudsystem.cz ⭐ | ||||||
| A | 88.146.242.176🇨🇿 VODAFONE-CZ-AS88.146.192.0/18 Vodafone Czech Republic a.s. | ||||||
| SOA | ns1.tele3.czroot@tele3.cz serial=1763020971 | ||||||
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=1783217839 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
○NSns3.tele3.cz2015-08-22 → 2017-05-13 · 4 obs
● 2017-05-13 09:34:46
○ 2021-02-13 18:56:38
○ 2026-07-05 02:37:00
●NSns3.tele3.eu2021-02-13 → 2026-07-05 · 3 obs
● 2021-02-13 18:56:38
● 2026-07-05 02:37:00
○NSns4.tele3.eu2015-12-12 → 2017-05-13 · 5 obs
● 2015-12-12 20:54:14
● 2017-05-13 09:34:46
○ 2021-02-13 18:56:38
○ 2026-07-05 02:37:00
○NSns4.tele3.sk2015-08-22 → 2015-08-22 · 3 obs
○ 2015-12-12 20:54:14
○ 2026-07-05 02:37:00
○NSns4.tele3.us2021-02-13 → 2021-02-13 · 4 obs
● 2021-02-13 18:56:38
○ 2026-06-13 09:03:58
○ 2026-07-05 02:37:00
●MXredmail.cloudsystem.cz2015-08-22 → 2026-07-05 · 2 obs
● 2026-07-05 02:37:00
●A2001:4de8:fa71:7e1e::f0532026-06-13 → 2026-07-05 · 3 obs
● 2026-06-13 09:03:58
● 2026-07-05 02:37:00
○A2a01:5f0:c001:116:3::32015-08-22 → 2021-02-13 · 4 obs
● 2021-02-13 18:56:38
○ 2026-06-13 09:03:58
○ 2026-07-05 02:37:00
○A89.187.135.32015-08-22 → 2021-02-13 · 4 obs
● 2021-02-13 18:56:38
○ 2026-06-13 09:03:58
○ 2026-07-05 02:37:00
●A89.235.1.532026-06-13 → 2026-07-05 · 3 obs
● 2026-06-13 09:03:58
● 2026-07-05 02:37:00
🔍 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 |
| robot.cz | ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu | 4 records |
✅ Authoritative Response
Server:81.0.217.111
NS records: ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1395ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.235.1.53 |
| AAAA | 1 | 2001:4de8:fa71:7e1e::f053 |
| NS | 3 | ns1.tele3.cz, ns2.tele3.cz... |
| MX | 1 | redmail.cloudsystem.cz (pri: 10) |
| SOA | 1 | ns1.tele3.cz root.tele3.cz |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 4 (ns1.tele3.cz, ns1.tele3.cz, ns2.tele3.cz...)
Analysis
IP Addresses
robot.cz has two IP addresses: 89.235.1.53 and 2001:4de8:fa71:7e1e::f053
Among the host names that share IP numbers with robot.cz are formix.sk, astar.cz, lifefactory.cz and two others.
Name Servers
robot.cz is served by three name servers: ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.
There is at least partial name server overlap between robot.cz and other domains — tele3.info, reservehjul.dk, oldtown-prague.com and two more among them.
These name servers are routinely deployed together with the name servers ns4.tele3.us.
The hostnames ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu each direct to two IP addresses — ns1.tele3.cz to 81.0.217.111 and 2001:1528:123::d01, ns2.tele3.cz to 95.80.251.222 and 2001:4de8:fa71:7e1e::d02, and ns3.tele3.eu to 5.9.97.250 and 2a01:4f8:162:24c1::d03.
Mail Servers
robot.cz routes its mail through a single mail server, redmail.cloudsystem.cz.
robot.cz has the same mail server arrangement as a number of other domains, for example snizenisplatek.cz, xse.cz, veridia.cz and two more.
robot.cz shares at least some of its mail servers with other domains — for example mkderatizace.com, (0x736578)-chat.cz, wwww.cz and two more.
redmail.cloudsystem.cz resolves to 88.146.242.176 and no other IP number.