codebook.cz - dns.ninja
codebook.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.2.195.214🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | d214wh.forpsi.com | ||||||
| NS | ns.forpsi.net ⭐ | ||||||
| A | 2001:15e8:101:1::c282🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.net | ||||||
| A | 81.2.194.130🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | ns.forpsi.net | ||||||
| NS | ns.forpsi.cz | ||||||
| A | 2001:15e8:201:1::d1b9🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.cz | ||||||
| A | 81.2.209.185🇨🇿 INTERNET-CZ81.2.209.0/24 | ||||||
| PTR | ns.forpsi.cz | ||||||
| NS | ns.forpsi.it | ||||||
| A | 2a00:6d41:2:1::5🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | ns.forpsi.it | ||||||
| A | 95.110.254.165🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | host165-254-110-95.serverdedicati.aruba.it | ||||||
| MX | mxavas.forpsi.com ⭐ | ||||||
| A | 81.2.195.200🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | mxavas.forpsi.com | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-07-05 #1 | ||||||
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=1784875640 | ||||||
Same first word
Similar names
dekoboco.com |
decobook.com |
decobook.nl |
koobedoc.com |
bookcode.it |
bookcode.com |
dekoboco.jp |
bokocode.com |
kobocode.com |
decobook.gr |
decoboko.jp |
codekobo.com |
DNS History
6 records (5 active, 1 former)
●NSns.forpsi.net2016-12-07 → 2026-07-24 · 2 obs
● 2026-07-24 07:22:14
●MXmxavas.forpsi.com2016-12-07 → 2026-07-24 · 2 obs
● 2026-07-24 07:22:14
○A81.2.194.672016-12-07 → 2017-10-10 · 4 obs
● 2017-10-10 07:17:00
○ 2026-02-28 17:35:52
○ 2026-07-24 07:22:14
●A81.2.195.2142026-02-28 → 2026-07-24 · 3 obs
● 2026-02-28 17:35:52
● 2026-07-24 07:22:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| codebook.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:81.2.194.130
NS records: ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1540ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.2.195.214 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | mxavas.forpsi.com (pri: 10) |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
IP Addresses
codebook.cz has exactly one IP address — 81.2.195.214.
www.milankarpisek.cz, bauwin.cz, noproxy_5f2158389137b.clubnight.sk plus two other host names have IP numbers in common with codebook.cz.
Name Servers
codebook.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
codebook.cz partially shares its NS delegation with several other domains, including zelenice.eu, m-profil.hu, attl.cz and two others.
These name servers are regularly seen alongside ns.forpsi.us and ns.forpsi.cn as name servers.
ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net each resolve to two IP addresses: ns.forpsi.cz resolves to 81.2.209.185 and 2001:15e8:201:1::d1b9; ns.forpsi.it resolves to 95.110.254.165 and 2a00:6d41:2:1::5; ns.forpsi.net resolves to 81.2.194.130 and 2001:15e8:101:1::c282.
Mail Servers
codebook.cz uses one mail server — mxavas.forpsi.com.
The mail server setup of codebook.cz matches that of other domains such as kts-cz.cz, hailo24.cz, revuepandora.cz and two others.
codebook.cz shares mail servers with at least some other domains, such as urologickaklinika.cz, d1spas.cz and place.cz.
mxavas.forpsi.com resolves to a single IP number: 81.2.195.200.