coder.cz - dns.ninja
coder.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=1781786840 | ||||||
Same first word
Similar names
DNS History
16 records (13 active, 3 former)
○NSalfa.ns.active24.cz2015-06-14 → 2016-07-04 · 4 obs
● 2016-07-04 05:36:28
○ 2017-03-21 04:01:08
○ 2026-06-18 14:15:24
○NSbeta.ns.active24.cz2015-06-14 → 2016-07-04 · 4 obs
● 2016-07-04 05:36:28
○ 2017-03-21 04:01:08
○ 2026-06-18 14:15:24
○NSgama.ns.active24.sk2015-06-14 → 2016-07-04 · 4 obs
● 2016-07-04 05:36:28
○ 2017-03-21 04:01:08
○ 2026-06-18 14:15:24
●NSns.wedos.com2017-03-21 → 2026-06-18 · 3 obs
● 2017-03-21 04:01:08
● 2026-06-18 14:15:24
●NSns.wedos.cz2017-03-21 → 2026-06-18 · 3 obs
● 2017-03-21 04:01:08
● 2026-06-18 14:15:24
●NSns.wedos.eu2017-03-21 → 2026-06-18 · 3 obs
● 2017-03-21 04:01:08
● 2026-06-18 14:15:24
●NSns.wedos.net2017-03-21 → 2026-06-18 · 3 obs
● 2017-03-21 04:01:08
● 2026-06-18 14:15:24
●MXalt1.aspmx.l.google.com2015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●MXalt2.aspmx.l.google.com2015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●MXaspmx.l.google.com2015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●MXaspmx2.googlemail.com2015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●MXaspmx3.googlemail.com2015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●MXaspmx4.googlemail.com2015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●MXaspmx5.googlemail.com2015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●A2a02:4a8:ac24:108::96:2292015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
●A81.95.96.2292015-06-14 → 2026-06-18 · 2 obs
● 2026-06-18 14:15:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| coder.cz | ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net | 4 records |
✅ Authoritative Response
Server:45.138.106.1
NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.95.96.229 |
| AAAA | 1 | 2a02:4a8:ac24:108::96:229 |
| NS | 4 | ns.wedos.cz, ns.wedos.eu... |
| MX | 7 | aspmx4.googlemail.com (pri: 30), aspmx5.googlemail.com (pri: 30)... |
| SOA | 1 | ns.wedos.net wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
IP Addresses
coder.cz directs to two IP numbers, 81.95.96.229 and 2a02:4a8:ac24:108::96:229
Two other host names, along with ceccapital.com, andulky.cz and uvirt24.active24.cz, also share IP numbers with coder.cz.
Name Servers
The NS records for coder.cz point to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
coder.cz partially shares its NS delegation with several other domains, including newsportal.cz, noabe.com, fotbaljaromer.cz and two others.
Host names that resolve to four IP numbers:
ns.wedos.cz maps to the following IP addresses: 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net maps to the following IP addresses: 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.
Host names that have two IP addresses:
ns.wedos.com resolves to two addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu resolves to two addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
The MX records for coder.cz point to 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
There is at least a partial MX overlap between coder.cz and other domains, including ns500765.ns500693.ns500693.ns500693.ns500699.ns500734.ns500699.ns500699.ns500699.ns500699.ns500683.ns500612.ns500588.ns500588.ns500602.ns500578.ns500110.dtrkdll.com, marieclaire.gr, ns500765.ns500693.ns500734.ns500693.ns500734.ns500699.ns500734.ns500699.ns500699.ns500699.ns500588.ns500699.ns500683.ns500612.dtrkdll.com and two others.
These mail servers tend to appear in combination with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com resolves to two addresses: 192.178.155.27 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1a IP addresses.
aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.27 IP addresses.
aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 2a00:1450:400b:c02::1b IP addresses.