6645.cz - robtex.com
6645.cz
cz
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.ns.nic.cz β | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1786385842 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
βNSgrannbo.ns.cloudflare.com2026-07-26 β 2026-08-10 Β· 2 obs
β 2026-08-10 19:10:28
βNSnorm.ns.cloudflare.com2026-07-26 β 2026-08-10 Β· 2 obs
β 2026-08-10 19:10:28
βA103.248.136.952026-08-10 β 2026-08-10 Β· 2 obs
β 2026-08-10 19:10:28
βA212.18.111.982026-07-26 β 2026-07-26 Β· 2 obs
β 2026-08-10 19:10:28
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| 6645.cz | norm.ns.cloudflare.com, grannbo.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.33.134
NS records: norm.ns.cloudflare.com, grannbo.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for 6645.cz (unsigned zone)
β±οΈ Timing
Total: 779ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.248.137.79 |
| NS | 2 | grannbo.ns.cloudflare.com, norm.ns.cloudflare.com |
| SOA | 1 | grannbo.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
6645.cz directs to one IP number, which is 103.248.136.95.
6645.cz shares its IP numbers with other host names, including gv(0x736578).enterprises, 3752.cz, h(0x736578)a.ch and 6872.cz.
Name Servers
The NS records for 6645.cz delegate to grannbo.ns.cloudflare.com and norm.ns.cloudflare.com.
6645.cz has the same name server delegation as a number of other domains, such as 75754.my, 4913.org, 6984.net and two more.
At least some of 6645.cz's name servers are shared with other domains, for example oloapi.shift4payments.com, northernlakesamateurradioclub.org, broughttoyouby.tv and two more.
These name servers tend to be deployed in combination with the name servers dexter.ns.cloudflare.com and lady.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
grannbo.ns.cloudflare.com maps to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 additional IP addresses.
norm.ns.cloudflare.com maps to 108.162.193.134, 172.64.33.134, 173.245.59.134 and 3 additional IP addresses.