flb.cz - robtex.com

flb.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=1775305037

Same first word

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Similar names

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DNS History

5 records (3 active, 2 former)

201020122014201620182020202220242026NSns1.one.czns2.one.czns3.one.czgargamel.lundegaard.cziglo.lundegaard.cz
○NSgargamel.lundegaard.cz2009-01-07 → 2009-01-07 · 3 obs
● 2009-01-07 15:39:44
○ 2015-10-19 12:40:56
○ 2026-04-04 13:07:28
○NSiglo.lundegaard.cz2009-01-07 → 2009-01-07 · 3 obs
● 2009-01-07 15:39:44
○ 2015-10-19 12:40:56
○ 2026-04-04 13:07:28
●NSns1.one.cz2026-03-26 → 2026-04-04 · 3 obs
○ 2015-10-19 12:40:56
● 2026-03-26 17:09:08
● 2026-04-04 13:07:28
●NSns2.one.cz2026-03-26 → 2026-04-04 · 3 obs
○ 2015-10-19 12:40:56
● 2026-03-26 17:09:08
● 2026-04-04 13:07:28
●NSns3.one.cz2026-03-26 → 2026-04-04 · 3 obs
○ 2015-10-19 12:40:56
● 2026-03-26 17:09:08
● 2026-04-04 13:07:28

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:46.149.113.187

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for flb.cz

⏱️ Timing

Total: 980ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.one.cz, ns2.one.cz, ns3.one.cz...)

Analysis

Name Servers

flb.cz is delegated to three name servers: ns1.one.cz, ns2.one.cz and ns3.one.cz.

flb.cz at least partially shares its name servers with other domains, for instance registrujte.cz, vps-hk.cz, qmc.cz, cecilia.cz and eucetni.cz.

Host names with two IP numbers: The host name ns1.one.cz points to 2001:470:6f:864::1 and 46.149.113.151; The host name ns3.one.cz points to 2001:470:6f:30f::1:1 and 46.149.113.187.

Host names with one IP number: The host name ns2.one.cz points to 193.85.20.140.