fiberlink.cz - robtex.com
fiberlink.cz
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=1781614035 | ||||||
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
○NSag-pha-all.agcom.cz2015-08-08 → 2015-12-07 · 4 obs
● 2015-12-07 04:40:20
○ 2016-03-14 12:57:38
○ 2026-06-16 13:21:12
○NSns.agcom.cz2015-08-08 → 2015-12-07 · 4 obs
● 2015-12-07 04:40:20
○ 2016-03-14 12:57:38
○ 2026-06-16 13:21:12
●NSns1.websupport.sk2026-06-13 → 2026-06-16 · 3 obs
● 2026-06-13 01:16:58
● 2026-06-16 13:21:12
●NSns2.websupport.sk2026-06-13 → 2026-06-16 · 3 obs
● 2026-06-13 01:16:58
● 2026-06-16 13:21:12
●NSns3.websupport.sk2026-06-13 → 2026-06-16 · 3 obs
● 2026-06-13 01:16:58
● 2026-06-16 13:21:12
●MXmx10.websupport.sk2026-06-13 → 2026-06-16 · 2 obs
● 2026-06-16 13:21:12
●MXmx20.websupport.sk2026-06-13 → 2026-06-16 · 2 obs
● 2026-06-16 13:21:12
○A212.71.161.662015-08-08 → 2015-12-07 · 4 obs
● 2015-12-07 04:40:20
○ 2016-03-14 12:57:38
○ 2026-06-16 13:21:12
●A2a00:4b40:aaaa:2009::72026-06-13 → 2026-06-16 · 3 obs
● 2026-06-13 01:16:58
● 2026-06-16 13:21:12
●A37.9.175.1972026-06-13 → 2026-06-16 · 3 obs
● 2026-06-13 01:16:58
● 2026-06-16 13:21:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| fiberlink.cz | ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 878ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.197 |
| AAAA | 1 | 2a00:4b40:aaaa:2009::7 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mx10.websupport.sk (pri: 10), mx20.websupport.sk (pri: 100) |
| TXT | 1 | v=spf1 a mx include:_spf.m1.websupport.s |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
Analysis
IP Addresses
fiberlink.cz has two IP addresses: 37.9.175.197 and 2a00:4b40:aaaa:2009::7
Additional host names — www.rehab.sk, beniczky.sk, mailin1.a10networks.sk and two others — share IP numbers with fiberlink.cz.
Name Servers
The authoritative name servers for fiberlink.cz are ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk — three in total.
At least some of fiberlink.cz's name servers are shared with other domains, for example jurajgago.com, obeclubenik.sk, agrosun.sk and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk all resolve to exactly two IP numbers apiece: ns1.websupport.sk → 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.sk → 185.71.159.12 and 2a02:250:3::12; ns3.websupport.sk → 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
fiberlink.cz has two mail servers: mx10.websupport.sk and mx20.websupport.sk.
fiberlink.cz shares the same mail server setup as other domains, including dvoryvysocany.cz, vacuumpack.de, agardina.lv and two others.
fiberlink.cz overlaps on mail servers with certain other domains, officeland.sk among them.
The two host names mx10.websupport.sk and mx20.websupport.sk each have a pair of IP addresses: mx10.websupport.sk has 45.13.137.110 and 2a00:4b40:aaaa:2101:45:13:137:110, and mx20.websupport.sk has 45.13.137.109 and 2a00:4b40:aaaa:2101:45:13:137:109.