c-zero.sk - robtex.com
c-zero.sk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.71.67.69🇸🇰 CNC109.71.64.0/21 | ||||||
| PTR | promo.citroen.sk | ||||||
| NS | auth1.ns.swan.sk ⭐ | ||||||
| A | 217.75.71.143🇸🇰 AS-BENESTRA217.75.64.0/19 SWAN | ||||||
| PTR | service3.swan.sk | ||||||
| NS | auth2.ns.swan.sk | ||||||
| A | 193.86.13.72🇨🇿 TMOBILE-CZ193.86.0.0/16 T-Mobile Czech Republic a.s. | ||||||
| NS | auth3.ns.swan.sk | ||||||
| A | 3.67.61.110🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix | ||||||
| PTR | ec2-3-67-61-110.eu-central-1.compute.amazonaws.com | ||||||
| NS | auth4.ns.swan.sk | ||||||
| A | 217.75.71.144🇸🇰 AS-BENESTRA217.75.64.0/19 SWAN | ||||||
| SOA | auth1.ns.swan.skhostmaster@swan.sk 2011-05-26 #2 | ||||||
sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | m.tld.sk ⭐ | ||||||
| NS | e.tld.sk | ||||||
| NS | f.tld.sk | ||||||
| NS | g.tld.sk | ||||||
| NS | h.tld.sk | ||||||
| SOA | m.tld.skhostmaster@sk-nic.sk serial=2018594401 | ||||||
Same first word
Similar names
core-z.com |
zer-co.com |
z-core.de |
zero-c.ch |
z-core.eu |
zero-c.com |
z-core.net |
zero-c.ca |
zero-c.cn |
z-core.com |
zero-c.net |
DNS History
6 records (5 active, 1 former)
●NSauth1.ns.swan.sk2015-08-12 → 2026-08-04 · 2 obs
● 2026-08-04 17:05:34
●NSauth2.ns.swan.sk2015-08-12 → 2026-08-04 · 2 obs
● 2026-08-04 17:05:34
●NSauth3.ns.swan.sk2015-08-12 → 2026-08-04 · 2 obs
● 2026-08-04 17:05:34
●NSauth4.ns.swan.sk2015-08-12 → 2026-08-04 · 2 obs
● 2026-08-04 17:05:34
●A109.71.67.692026-03-31 → 2026-08-04 · 3 obs
● 2026-03-31 22:10:02
● 2026-08-04 17:05:34
○A194.250.98.1612015-08-12 → 2017-01-27 · 4 obs
● 2017-01-27 14:48:50
○ 2026-03-31 22:10:02
○ 2026-08-04 17:05:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | g.tld.sk, f.tld.sk, e.tld.sk, h.tld.sk | - |
| c-zero.sk | auth1.ns.swan.sk, auth2.ns.swan.sk, auth3.ns.swan.sk, auth4.ns.swan.sk | 4 records |
✅ Authoritative Response
Server:3.67.61.110
NS records: auth1.ns.swan.sk, auth2.ns.swan.sk, auth3.ns.swan.sk, auth4.ns.swan.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c-zero.sk (unsigned zone)
⏱️ Timing
Total: 281ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.71.67.69 |
| NS | 4 | auth4.ns.swan.sk, auth2.ns.swan.sk... |
| SOA | 1 | auth1.ns.swan.sk hostmaster.swan.sk |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (auth1.ns.swan.sk, auth2.ns.swan.sk, auth3.ns.swan.sk...)
Analysis
IP Addresses
c-zero.sk resolves to one IP address: 109.71.67.69.
c4cactus.sk, czero.sk, ds3.sk and two other host names share IP numbers with c-zero.sk.
Name Servers
The authoritative name servers for c-zero.sk are auth1.ns.swan.sk, auth2.ns.swan.sk, auth3.ns.swan.sk and auth4.ns.swan.sk.
There is at least partial name server overlap between c-zero.sk and other domains — nr.swan.sk, 184.26.212.in-addr.arpa, extrempo.sk and two more among them.
These name servers frequently co-occur with the name servers linux.dodo.sk and ns.r-net.sk.
Each of the four hosts auth1.ns.swan.sk, auth2.ns.swan.sk, auth3.ns.swan.sk and auth4.ns.swan.sk points to a single IP address — auth1.ns.swan.sk points to 217.75.71.143, auth2.ns.swan.sk points to 193.86.13.72, auth3.ns.swan.sk points to 3.67.61.110 and auth4.ns.swan.sk points to 217.75.71.144.