codeeffect.cz - robtex.com
codeeffect.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=1787833046 | ||||||
Same first word
Similar names
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DNS History
8 records (5 active, 3 former)
●MXcodeeffect-cz.mail.protection.outlook.com2015-06-25 → 2026-08-27 · 2 obs
● 2026-08-27 12:58:00
●A2001:1568::152026-08-22 → 2026-08-27 · 3 obs
● 2026-08-22 02:35:20
● 2026-08-27 12:58:00
○A2001:1568:115::82015-11-05 → 2017-11-27 · 5 obs
● 2015-11-05 16:28:26
● 2017-11-27 14:33:02
○ 2026-08-22 02:35:20
○ 2026-08-27 12:58:00
○A2001:1568:115:a::82015-06-25 → 2015-06-25 · 3 obs
○ 2015-11-05 16:28:26
○ 2026-08-27 12:58:00
●A81.91.86.152026-08-22 → 2026-08-27 · 3 obs
● 2026-08-22 02:35:20
● 2026-08-27 12:58:00
○A81.91.88.82015-06-25 → 2017-11-27 · 4 obs
● 2017-11-27 14:33:02
○ 2026-08-22 02:35:20
○ 2026-08-27 12:58:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | 8 records |
| codeeffect.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1043ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.15 |
| AAAA | 1 | 2001:1568::15 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | codeeffect-cz.mail.protection.outlook.co |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 4 (ns.web4u.cz, ns2.web4u.cz, ns.web4u.cz...)
Analysis
IP Addresses
codeeffect.cz points to the IP addresses 81.91.86.15 and 2001:1568::15
Two other host names, along with kohlickovi.com, pajin.cz and iismanager.aspnet.web4u.cz, also share IP numbers with codeeffect.cz.
Name Servers
codeeffect.cz has two authoritative name servers — ns2.web4u.cz and ns.web4u.cz.
codeeffect.cz shares its NS records with other domains, for example rosso.cz, epsillon.cz, halatruck.cz and two others.
Both ns2.web4u.cz and ns.web4u.cz have two IP addresses each. ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12; ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
The sole mail server for codeeffect.cz is codeeffect-cz.mail.protection.outlook.com.
With 8 IP addresses total, codeeffect-cz.mail.protection.outlook.com resolves to 52.101.68.18, 52.101.73.4, 52.101.73.11 and 5 others.