cs-letci.com - robtex.com
cs-letci.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1528:240::1f🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | neuron.blueboard.cz | ||||||
| A | 217.11.249.141🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT | ||||||
| NS | shinzon.blueboard.cz ⭐ | ||||||
| A | 2a00:1ed0:45::b🇨🇿 VSHOSTING2a00:1ed0::/32 | ||||||
| PTR | shinzon.blueboard.cz | ||||||
| A | 178.251.187.7🇨🇿 VSHOSTING178.251.184.0/21 | ||||||
| NS | ns2.blueboard.cz | ||||||
| A | 2a01:4f8:13b:8d4::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 195.201.57.122🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC | ||||||
| MX | jaguar.blueboard.cz ⭐ | ||||||
| A | 2a00:1ed0:45::c🇨🇿 VSHOSTING2a00:1ed0::/32 | ||||||
| PTR | jaguar.blueboard.cz | ||||||
| A | 178.251.187.8🇨🇿 VSHOSTING178.251.184.0/21 | ||||||
| TXT | v=spf1 a mx include:spf.blueboard.cz -all | ||||||
| SOA | shinzon.blueboard.czhostmaster@shinzon.blueboard.cz 2008-07-10 #23 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784710112 | ||||||
Same first word
cs-letci.com |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns2.blueboard.cz2015-08-20 → 2026-07-22 · 2 obs
● 2026-07-22 08:58:48
●NSshinzon.blueboard.cz2015-08-20 → 2026-07-22 · 2 obs
● 2026-07-22 08:58:48
●MXjaguar.blueboard.cz2015-08-20 → 2026-07-22 · 2 obs
● 2026-07-22 08:58:48
○MXns2.blueboard.cz2015-08-20 → 2017-03-31 · 4 obs
● 2017-03-31 07:09:02
○ 2026-02-24 18:19:34
○ 2026-07-22 08:58:48
●A2001:1528:240::1f2026-02-24 → 2026-07-22 · 3 obs
● 2026-02-24 18:19:34
● 2026-07-22 08:58:48
●A217.11.249.1412015-08-20 → 2026-07-22 · 2 obs
● 2026-07-22 08:58:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net... | - |
| cs-letci.com | shinzon.blueboard.cz, ns2.blueboard.cz | - |
✅ Authoritative Response
Server:178.251.187.7
NS records: shinzon.blueboard.cz, ns2.blueboard.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cs-letci.com (unsigned zone)
⏱️ Timing
Total: 1629ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.11.249.141 |
| AAAA | 1 | 2001:1528:240::1f |
| NS | 2 | shinzon.blueboard.cz, ns2.blueboard.cz |
| MX | 1 | jaguar.blueboard.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.blueboard.cz -al |
| SOA | 1 | shinzon.blueboard.cz hostmaster.shinzon. |
Analysis
IP Addresses
cs-letci.com resolves to the IP addresses 217.11.249.141 and 2001:1528:240::1f
Additional host names — atanos.cz, www.muzeum-roztoky.cz, azzbozi.cz and two others — share IP numbers with cs-letci.com.
Name Servers
Two name servers handle the delegation for cs-letci.com: ns2.blueboard.cz and shinzon.blueboard.cz.
cs-letci.com shares its name server setup with other domains, including hankova.com, regionoviny.cz, hadriky.com and two others.
cs-letci.com shares at least some of its name servers with other domains, including zlataky.net, zubar-praha8.cz, oobtrebic.cz and two others.
These name servers are frequently seen alongside the name servers jaguar.blueboard.cz.
ns2.blueboard.cz and shinzon.blueboard.cz both carry two IP addresses. The A records for ns2.blueboard.cz are 195.201.57.122 and 2a01:4f8:13b:8d4::2; the A records for shinzon.blueboard.cz are 178.251.187.7 and 2a00:1ed0:45::b.
Mail Servers
cs-letci.com has one mail server: jaguar.blueboard.cz.
cs-letci.com shares the same mail server setup as other domains, including purefiji.sk, financemag.cz, raindog.cz and two others.
cs-letci.com shares mail servers — at least in part — with other domains, including airmovie.cz, cysecteam.com, menucesky.cz and two others.
jaguar.blueboard.cz points to two IP addresses: 178.251.187.8 and 2a00:1ed0:45::c.