insert.cz - dns.ninja
insert.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=1784708257 | ||||||
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●NSns1.thinline.cz2015-07-16 → 2026-07-22 · 2 obs
● 2026-07-22 09:18:54
●NSns2.thinline.cz2015-07-16 → 2026-07-22 · 2 obs
● 2026-07-22 09:18:54
●NSns3.cesky-hosting.eu2015-07-16 → 2026-07-22 · 2 obs
● 2026-07-22 09:18:54
●MXmx1b20.thinline.cz2015-07-16 → 2026-07-22 · 2 obs
● 2026-07-22 09:18:54
●MXmx1d10.thinline.cz2015-07-16 → 2026-07-22 · 2 obs
● 2026-07-22 09:18:54
●A2001:67c:e94:1:1:5bef:c90a:12026-03-24 → 2026-07-22 · 3 obs
● 2026-03-24 11:16:26
● 2026-07-22 09:18:54
○A2a00:1ed0:2:0:1:5bef:c828:12015-07-16 → 2018-12-02 · 4 obs
● 2018-12-02 06:43:02
○ 2026-03-24 11:16:26
○ 2026-07-22 09:18:54
○A91.239.200.52015-07-16 → 2018-12-02 · 4 obs
● 2018-12-02 06:43:02
○ 2026-03-24 11:16:26
○ 2026-07-22 09:18:54
●A91.239.201.102026-03-24 → 2026-07-22 · 3 obs
● 2026-03-24 11:16:26
● 2026-07-22 09:18:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| insert.cz | ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu | 4 records |
✅ Authoritative Response
Server:91.239.200.243
NS records: ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2001ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.239.201.10 |
| AAAA | 1 | 2001:67c:e94:1:1:5bef:c90a:1 |
| NS | 3 | ns1.thinline.cz, ns3.cesky-hosting.eu... |
| MX | 2 | mx1d10.thinline.cz (pri: 10), mx1b20.thinline.cz (pri: 20) |
| SOA | 1 | ns1.thinline.cz hostmaster.insert.cz |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 4 (ns1.thinline.cz, ns1.thinline.cz, ns2.thinline.cz...)
Analysis
IP Addresses
insert.cz points to the IP addresses 91.239.201.10 and 2001:67c:e94:1:1:5bef:c90a:1
Among the host names that share IP numbers with insert.cz are vnw.cz, gdcon.eu, exxtra.cz and two others.
Name Servers
insert.cz has three name servers — ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu.
The name servers of insert.cz overlap at least partially with those of other domains — among them ritter-sport.cz, kovove-zbozi.cz, centrumkruh.cz and two more.
Each of ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu points to two IP numbers. ns1.thinline.cz points to 91.239.200.243 and 2001:67c:e94:0:1:5bef:c8f3:1. ns2.thinline.cz points to 82.100.6.2 and 2001:4de8:fa22:0:1:5264:602:1. ns3.cesky-hosting.eu points to 91.239.202.18 and 2001:67c:e94:1:1:5bef:ca12:1.
Mail Servers
The MX records for insert.cz point to two mail servers: mx1b20.thinline.cz and mx1d10.thinline.cz.
insert.cz has the same mail server arrangement as a number of other domains, for example mscm.cz, mwebdesign.cz, 35r.cz and two more.
insert.cz has mail servers in common with other domains — altrex.cz being one example.
Both mx1b20.thinline.cz and mx1d10.thinline.cz have two IP addresses each. mx1b20.thinline.cz resolves to 82.100.6.3 and 2001:4de8:fa22:0:1:5264:603:1; mx1d10.thinline.cz resolves to 91.239.200.14 and 2001:67c:e94:0:1:5bef:c80e:1.