codum.cz - dns.ninja
codum.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.2.196.19🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | 19.196.forpsi.net | ||||||
| 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 | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-05-25 #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=1780534035 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns.forpsi.net2015-07-23 → 2026-06-04 · 2 obs
● 2026-06-04 01:15:42
○A81.2.194.1282015-07-23 → 2017-04-20 · 4 obs
● 2017-04-20 07:47:26
○ 2026-05-05 02:33:50
○ 2026-06-04 01:15:42
●A81.2.196.192026-05-05 → 2026-06-04 · 3 obs
● 2026-05-05 02:33:50
● 2026-06-04 01:15:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| codum.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: 4250ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.2.196.19 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| 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
codum.cz points to a single IP number: 81.2.196.19.
Additional host names — saia.cz, webengineer.cz, halir.eu and two others — share IP numbers with codum.cz.
Name Servers
DNS for codum.cz is handled by three authoritative name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
codum.cz partially shares its NS delegation with several other domains, including skolavb.cz, ado-autodruzstvo.cz, webenter.eu and two others.
These name servers often co-occur with the name servers ns.forpsi.us.
Three hostnames — ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net — each have two IP addresses: ns.forpsi.cz has 81.2.209.185 and 2001:15e8:201:1::d1b9, ns.forpsi.it has 95.110.254.165 and 2a00:6d41:2:1::5, and ns.forpsi.net has 81.2.194.130 and 2001:15e8:101:1::c282.