katla.cz - robtex.com
katla.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:5f0:c001:124:2::125🇨🇿 COOLHOUSING-AS2a01:5f0::/32 Network of Coolhousing | ||||||
| PTR | algin2.dc3.cz | ||||||
| A | 89.187.149.125🇨🇿 COOLHOUSING-AS89.187.148.0/23 Network of Coolhousing | ||||||
| NS | ns1.tele3.cz ⭐ | ||||||
| A | 2001:1528:123::d01🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| 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=1777500986 | ||||||
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=1781592436 | ||||||
Same first word
katla.link |
katla.org |
katla.de |
katla.id |
katla.cz |
katla.dk |
katla.online |
katla.nl |
katla.com |
katla.se |
katla.is |
katla.pl |
katla.net |
Similar names
DNS History
11 records (6 active, 5 former)
○NSns3.tele3.cz2015-06-22 → 2017-09-17 · 4 obs
● 2017-09-17 15:21:36
○ 2026-06-13 03:06:08
○ 2026-06-16 07:36:26
●NSns3.tele3.eu2026-06-13 → 2026-06-16 · 3 obs
● 2026-06-13 03:06:08
● 2026-06-16 07:36:26
○NSns4.tele3.eu2015-10-28 → 2017-09-17 · 5 obs
● 2015-10-28 14:52:22
● 2017-09-17 15:21:36
○ 2026-06-13 03:06:08
○ 2026-06-16 07:36:26
○NSns4.tele3.sk2015-06-22 → 2015-06-22 · 3 obs
○ 2015-10-28 14:52:22
○ 2026-06-16 07:36:26
○MXblackcat.tele3.cz2015-06-22 → 2016-12-02 · 4 obs
● 2016-12-02 13:07:04
○ 2017-09-17 15:21:36
○ 2026-06-16 07:36:26
○A109.123.219.792015-06-22 → 2016-12-02 · 4 obs
● 2016-12-02 13:07:04
○ 2017-09-17 15:21:36
○ 2026-06-16 07:36:26
●A2a01:5f0:c001:124:2::1252017-09-17 → 2026-06-16 · 3 obs
● 2017-09-17 15:21:36
● 2026-06-16 07:36:26
●A89.187.149.1252017-09-17 → 2026-06-16 · 3 obs
● 2017-09-17 15:21:36
● 2026-06-16 07:36:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| katla.cz | ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu | 4 records |
✅ Authoritative Response
Server:95.80.251.222
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: 1761ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.187.149.125 |
| AAAA | 1 | 2a01:5f0:c001:124:2::125 |
| NS | 3 | ns1.tele3.cz, ns2.tele3.cz... |
| MX | 1 | mail.dc3.cz (pri: 10) |
| SOA | 1 | ns1.tele3.cz root.tele3.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.tele3.cz, ns1.tele3.cz, ns2.tele3.cz...)
Analysis
IP Addresses
katla.cz has two IP addresses: 89.187.149.125 and 2a01:5f0:c001:124:2::125
Among the host names that share IP numbers with katla.cz are 016.cz, soudni-oddluzeni.cz, pujcka-15000.cz and two others.
Name Servers
Three name servers are authoritative for katla.cz: ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.
There is at least partial name server overlap between katla.cz and other domains — cdnproject.de, medical-mall.cz, fleuron.cz and two more among them.
These name servers are routinely deployed together with the name servers ns4.tele3.us.
ns1.tele3.cz resolves to 81.0.217.111 and 2001:1528:123::d01. ns2.tele3.cz resolves to 95.80.251.222 and 2001:4de8:fa71:7e1e::d02. ns3.tele3.eu resolves to 5.9.97.250 and 2a01:4f8:162:24c1::d03. All three hostnames point to two IP numbers each.
Mail Servers
katla.cz routes its mail through a single mail server, mail.dc3.cz.
katla.cz has the same mail server arrangement as a number of other domains, for example 6rp.cz, decon.cz, j-st.sk and two more.
katla.cz and other domains — penzion-hnanice.cz for instance — share at least some mail servers.
There is one IP number for mail.dc3.cz: 81.0.217.5.