pbn.cz - robtex.com

pbn.cz

DNSSEC⚠️ Not signed
NSns1.one.cz ⚠️ Not in zone NS records
A2001:470:6f:864::1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.one.cz
A46.149.113.151🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o.
PTRns1.one.cz
NSns2.one.cz ⚠️ Not in zone NS records
A193.85.20.140🇨🇿 TMOBILE-CZ193.85.0.0/16 T-Mobile Czech Republic a.s.
PTRns2.one.cz
NSns3.one.cz ⚠️ Not in zone NS records
A2001:470:6f:30f::1:1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.one.cz
A46.149.113.187🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o.
PTRns3.one.cz

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1785440839

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DNS History

3 records (3 active, 0 former)

NSns1.one.czns2.one.czns3.one.cz
●NSns1.one.cz2026-07-21 → 2026-07-30 · 2 obs
● 2026-07-21 16:32:06
● 2026-07-30 20:04:48
●NSns2.one.cz2026-07-21 → 2026-07-30 · 2 obs
● 2026-07-21 16:32:06
● 2026-07-30 20:04:48
●NSns3.one.cz2026-07-21 → 2026-07-30 · 2 obs
● 2026-07-21 16:32:06
● 2026-07-30 20:04:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
pbn.czns1.one.cz, ns2.one.cz, ns3.one.cz5 records

✅ Authoritative Response

Server:46.149.113.151

NS records: ns1.one.cz, ns2.one.cz, ns3.one.cz

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for pbn.cz

⏱️ Timing

Total: 929ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.one.cz, ns1.one.cz, ns2.one.cz...)

Analysis

Name Servers

Three name servers are authoritative for pbn.cz: ns1.one.cz, ns2.one.cz and ns3.one.cz.

pbn.cz partially shares its NS delegation with several other domains, including uscars.cz, ivesna.cz, d-s.cz and two others.

Hostnames that resolve to two IP addresses:

ns1.one.cz maps to two IP addresses — 46.149.113.151 and 2001:470:6f:864::1.

ns3.one.cz maps to two IP addresses — 46.149.113.187 and 2001:470:6f:30f::1:1.

Hosts with just one IP address:

ns2.one.cz points to the IP address 193.85.20.140.