kernel.cz - robtex.com
kernel.cz
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ||||||
| TXT | google-site-verification=274EYjZJQqjmjWjM_27lhoePSAypLt9CthGOwzFw_Is | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2025-05-14 #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=1780271234 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSns.forpsi.net2015-08-05 → 2026-06-01 · 2 obs
● 2026-06-01 00:14:20
○A81.2.194.1282015-08-05 → 2017-02-16 · 4 obs
● 2017-02-16 05:45:52
○ 2019-12-31 22:31:20
○ 2026-06-01 00:14:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| kernel.cz | ns.forpsi.it, ns.forpsi.cz, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:81.2.194.130
NS records: ns.forpsi.it, ns.forpsi.cz, ns.forpsi.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kernel.cz (unsigned zone)
⏱️ Timing
Total: 864ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| TXT | 1 | google-site-verification=274EYjZJQqjmjWj |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Name Servers
DNS for kernel.cz is handled by three authoritative name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
kernel.cz partially shares its NS delegation with several other domains, including kupzarovky.cz, zeromotor.cz, farnost-jesenik.cz 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.