kybernet.cz - robtex.com
kybernet.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=1778345235 | ||||||
Subdomains
trpaslik.kybernet.cz |
Same first word
Similar names
DNS History
12 records (10 active, 2 former)
●MXalt1.aspmx.l.google.com2015-08-21 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:36
●MXalt2.aspmx.l.google.com2015-08-21 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:36
●MXaspmx.l.google.com2015-08-21 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:36
●MXaspmx2.googlemail.com2015-08-21 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:36
●MXaspmx3.googlemail.com2015-08-21 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:36
●MXaspmx4.googlemail.com2015-08-21 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:36
●MXaspmx5.googlemail.com2015-08-21 → 2026-05-09 · 2 obs
● 2026-05-09 17:15:36
○A185.8.238.1172016-05-06 → 2018-07-28 · 5 obs
● 2016-05-06 14:48:22
● 2018-07-28 13:46:22
○ 2026-02-15 15:47:50
○ 2026-05-09 17:15:36
●A31.31.78.2202026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 15:47:50
● 2026-05-09 17:15:36
○A81.2.210.122015-08-21 → 2015-12-09 · 4 obs
● 2015-12-09 06:45:10
○ 2016-05-06 14:48:22
○ 2026-05-09 17:15:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| kybernet.cz | ns1.ignum.com, ns2.ignum.cz | 2 records |
✅ Authoritative Response
Server:217.31.48.201
NS records: ns1.ignum.com, ns2.ignum.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1319ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.31.78.220 |
| NS | 2 | ns1.ignum.com, ns2.ignum.cz |
| MX | 7 | aspmx2.googlemail.com (pri: 30), aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 a -all |
| SOA | 1 | ns1.ignum.com hostmaster.ignum.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)
Analysis
Hierarchy
kybernet.cz is a parent of trpaslik.kybernet.cz.
IP Addresses
kybernet.cz points to a single IP number: 31.31.78.220.
Other host names, for instance trpaslik.kybernet.cz, share IP numbers with kybernet.cz.
Name Servers
Delegation for kybernet.cz rests with two name servers, ns1.ignum.com and ns2.ignum.cz.
kybernet.cz shares the same name server setup as other domains, including fanne.cz, apitome.com, jerky.ro, c-zona.cz and borovalada.eu.
kybernet.cz partially shares name servers with other domains, for instance steffl.cz, chalupautonicka.cz, gpcards.cz and systemsoft.cz.
These name servers are commonly used with ns1.webcloud.cz and ns2.webcloud.cz.
Host names with two IP numbers: ns1.ignum.com points to 2a00:1e40:a:53::5 and 185.65.223.35; ns2.ignum.cz points to 2001:1ab0:7e1e:2::5 and 217.31.48.201.
Mail Servers
kybernet.cz is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
kybernet.cz shares mail servers with other domains at least in part, for instance signalexp.com, magictack.com, ns500758.ns500698.ns500758.ns500759.ns500736.ns500735.ns500735.ns500698.ns500698.ns500736.ns500708.ns500698.ns500698.ns500708.ns500698.ns500652.trackreceptor.com, ns500754.ns500742.ns500731.ns500731.ns500671.ns500742.ns500671.ns500731.ns500705.ns500731.ns500671.ns500705.ns500678.ns500649.ns500291.ns500142.lusty(0x736c7574)z.com and poratltd.com.
these mail servers are often used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26.
aspmx4.googlemail.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.27.
aspmx5.googlemail.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27.
aspmx.l.google.com points to: 2607:f8b0:4004:c1d::1a and 172.253.115.27.
alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26.
alt2.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1a and 172.253.145.27.
Host names that point to 192.178.128.26: aspmx2.googlemail.com and alt1.aspmx.l.google.com.