ckob.pl - robtex.com
ckob.pl
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.linux.pl ⚠️ Not in zone NS records | ||||||
| A | 77.55.252.131🇵🇱 NETARTGROUP77.55.252.0/23 | ||||||
| PTR | dns1.linux.pl | ||||||
| NS | dns2.linux.pl ⚠️ Not in zone NS records | ||||||
| A | 77.55.252.128🇵🇱 NETARTGROUP77.55.252.0/23 | ||||||
| PTR | dns2.linux.pl | ||||||
| NS | dns3.linux.pl ⚠️ Not in zone NS records | ||||||
| A | 77.55.252.131🇵🇱 NETARTGROUP77.55.252.0/23 | ||||||
| PTR | dns1.linux.pl | ||||||
pl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a-dns.pl ⭐ | ||||||
| NS | b-dns.pl | ||||||
| NS | d-dns.pl | ||||||
| NS | f-dns.pl | ||||||
| NS | h-dns.pl | ||||||
| NS | j-dns.pl | ||||||
| TXT | ccTLD of Poland | ||||||
| SOA | a-dns.pldnsmaster@nask.pl serial=1784270137 | ||||||
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
○NS1.nslokoz.com2015-05-09 → 2016-11-27 · 4 obs
● 2016-11-27 23:25:40
○ 2017-10-10 00:04:50
○ 2026-07-18 07:31:40
○NS2.nslokoz.com2015-05-09 → 2016-11-27 · 4 obs
● 2016-11-27 23:25:40
○ 2017-10-10 00:04:50
○ 2026-07-18 07:31:40
●NSdns1.linux.pl2026-07-17 → 2026-07-18 · 3 obs
● 2026-07-17 02:26:34
● 2026-07-18 07:31:40
●NSdns2.linux.pl2026-07-17 → 2026-07-18 · 3 obs
● 2026-07-17 02:26:34
● 2026-07-18 07:31:40
●NSdns3.linux.pl2026-07-17 → 2026-07-18 · 3 obs
● 2026-07-17 02:26:34
● 2026-07-18 07:31:40
○NSns1.hekko.net.pl2017-10-10 → 2017-10-10 · 4 obs
● 2017-10-10 00:04:50
○ 2026-07-17 02:26:34
○ 2026-07-18 07:31:40
○NSns2.hekko.net.pl2017-10-10 → 2017-10-10 · 4 obs
● 2017-10-10 00:04:50
○ 2026-07-17 02:26:34
○ 2026-07-18 07:31:40
○MXmail.ckob.pl2015-05-09 → 2017-10-10 · 4 obs
● 2017-10-10 00:04:50
○ 2026-07-17 02:26:34
○ 2026-07-18 07:31:40
○A188.116.9.882017-10-10 → 2017-10-10 · 4 obs
● 2017-10-10 00:04:50
○ 2026-07-17 02:26:34
○ 2026-07-18 07:31:40
○A94.23.112.2522015-05-09 → 2016-11-27 · 4 obs
● 2016-11-27 23:25:40
○ 2017-10-10 00:04:50
○ 2026-07-18 07:31:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| ckob.pl | dns3.linux.pl, dns2.linux.pl, dns1.linux.pl | 2 records |
✅ Authoritative Response
Server:77.55.252.131
NS records: dns3.linux.pl, dns2.linux.pl, dns1.linux.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ckob.pl (unsigned zone)
⏱️ Timing
Total: 778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns2.linux.pl, dns1.linux.pl)
Analysis
Name Servers
ckob.pl is served by three name servers: dns1.linux.pl, dns2.linux.pl and dns3.linux.pl.
The name servers of ckob.pl overlap at least partially with those of other domains — among them 4ls.pl, coolschool.info.pl, lider-system.com and two more.
These name servers commonly appear alongside the name servers dns16.linux.pl and ns16.linux.pl.
Each of the hostnames dns1.linux.pl, dns2.linux.pl and dns3.linux.pl has a single IP address assigned: dns1.linux.pl directs to 77.55.252.131, dns2.linux.pl directs to 77.55.252.128 and dns3.linux.pl directs to 77.55.252.131.
dns1.linux.pl and dns3.linux.pl each have 77.55.252.131 IP addresses.