fitt.cz - robtex.com
fitt.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.tele3.cz ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
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=1784332040 | ||||||
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
○NSns3.tele3.cz2015-08-03 → 2017-04-03 · 4 obs
● 2017-04-03 10:11:58
○ 2020-02-27 09:21:30
○ 2026-07-18 00:18:22
●NSns3.tele3.eu2020-02-27 → 2026-07-18 · 3 obs
● 2020-02-27 09:21:30
● 2026-07-18 00:18:22
○NSns4.tele3.eu2015-11-21 → 2017-04-03 · 5 obs
● 2015-11-21 17:07:14
● 2017-04-03 10:11:58
○ 2020-02-27 09:21:30
○ 2026-07-18 00:18:22
○NSns4.tele3.sk2015-08-03 → 2015-08-03 · 3 obs
○ 2015-11-21 17:07:14
○ 2026-07-18 00:18:22
○NSns4.tele3.us2020-02-27 → 2020-02-27 · 4 obs
● 2020-02-27 09:21:30
○ 2026-07-06 04:53:38
○ 2026-07-18 00:18:22
○MXmail.pnm.cz2015-08-03 → 2020-02-27 · 4 obs
● 2020-02-27 09:21:30
○ 2026-07-06 04:53:38
○ 2026-07-18 00:18:22
○A2001:1528:123:123::992015-08-03 → 2016-02-05 · 4 obs
● 2016-02-05 05:47:10
○ 2016-04-25 05:08:48
○ 2026-07-18 00:18:22
○A81.0.217.992015-08-03 → 2016-02-05 · 4 obs
● 2016-02-05 05:47:10
○ 2016-04-25 05:08:48
○ 2026-07-18 00:18:22
○A89.187.135.1542016-04-25 → 2020-02-27 · 5 obs
● 2016-04-25 05:08:48
● 2020-02-27 09:21:30
○ 2026-07-06 04:53:38
○ 2026-07-18 00:18:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| fitt.cz | ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu | 4 records |
✅ Authoritative Response
Server:5.9.97.250
NS records: ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for fitt.cz
⏱️ Timing
Total: 1523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.tele3.cz, ns1.tele3.cz, ns2.tele3.cz...)
Analysis
Name Servers
fitt.cz is delegated to three name servers: ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.
The name servers of fitt.cz overlap at least partially with those of other domains — among them neobux.cz, esei.cz, elsatan.eu and two more.
These name servers commonly appear in combination with the name servers ns4.tele3.us.
ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu each resolve to two IP addresses: 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.