implementation.cz - dns.ninja
implementation.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=1784247441 | ||||||
Same first word
implementation.org |
implementation.awsapps.com |
implementation.eu |
implementation.in |
implementation.cz |
implementation.co.uk |
implementation.co |
implementation.ca |
DNS History
10 records (10 active, 0 former)
●MXalt1.aspmx.l.google.com2015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
●MXalt2.aspmx.l.google.com2015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
●MXaspmx.l.google.com2015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
●MXaspmx2.googlemail.com2015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
●MXaspmx3.googlemail.com2015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
●MXaspmx4.googlemail.com2015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
●MXaspmx5.googlemail.com2015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
●A93.190.48.12015-07-07 → 2026-07-17 · 2 obs
● 2026-07-17 00:19:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz | - |
| implementation.cz | ns1.web4ce.cz, ns2.web4ce.cz | 2 records |
✅ Authoritative Response
Server:93.190.48.250
NS records: ns1.web4ce.cz, ns2.web4ce.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for implementation.cz (unsigned zone)
⏱️ Timing
Total: 2784ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.190.48.1 |
| NS | 2 | ns1.web4ce.cz, ns2.web4ce.cz |
| MX | 7 | ASPMX.L.GOOGLE.COM (pri: 10), ALT1.ASPMX.L.GOOGLE.COM (pri: 20)... |
| TXT | 2 | google-site-verification=0WmaenmvITFPBwM, v=spf1 mx include:spf.web4ce.cz ~all |
| SOA | 1 | ns1.web4ce.cz domeny.web4ce.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.web4ce.cz, ns2.web4ce.cz)
Analysis
IP Addresses
implementation.cz has exactly one IP address — 93.190.48.1.
tenten.cz, zyka.net, prvnistaticka.cz plus two other host names have IP numbers in common with implementation.cz.
Name Servers
DNS delegation for implementation.cz points to two name servers: ns1.web4ce.cz and ns2.web4ce.cz.
The name server configuration of implementation.cz is shared with other domains, for instance agenas.cz, zeskladu.cz, borgia.cz and two others.
ns1.web4ce.cz directs to 93.190.48.250 and 2a02:c600:0:4::1. ns2.web4ce.cz directs to 93.190.49.250 and 2a02:c600:0:4::2. Each host name carries two IP addresses.
Mail Servers
implementation.cz has 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus 4 other.
Host names pointing to two IP addresses:
aspmx2.googlemail.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com has two IP addresses: 192.178.218.26 and 2607:f8b0:4004:c07::1a.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
Host names pointing to 2800:3f0:4003:c0f::1b IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.
Host names pointing to 2a00:1450:400b:c02::1a IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.
Host names pointing to 172.253.116.27 IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.