Whalebone

Whalebone

Whalebone, s.r.o.

Brno, Czech Republic

Network SecurityData ProtectionIdentity & AccessThreat Intelligence
Founded 2016Serves Enterprise, SMB, Public Sector, Critical Infrastructure, Consumer
Profile last updated: May 4, 2026

About

Founded in 2016, Whalebone is a cybersecurity company based in Brno, Czech Republic working in network security, data protection, identity & access +1 more.

Whalebone is a network-level cybersecurity company that develops no-installation DNS security products for telecom operators, ISPs, enterprises, public institutions and governments. Its products include Whalebone Immunity (protective DNS for organisations), Whalebone Aura (white-label DNS security for telcos, including SMB and consumer offerings), Peacemaker (on-premises DNS resolver for ISPs) and DNS4GOV (protective DNS for public institutions). The company leads the DNS4EU project, the official EU DNS resolver initiative, and reports the highest number of telco mass-market cybersecurity deployments.

Location

Brno, Czech Republic

Founded

2016

Company type

Limited company

Legal name

Whalebone, s.r.o.

Registration

05120403

VAT number

CZ05120403

Focus areas

protective DNSDNS securitytelco securityidentity protectionthreat intelligence

Languages

EN

Services & products

Security domains

Network SecurityData ProtectionIdentity & AccessThreat Intelligence

How they deliver

SoftwareManaged ServicesReseller

Products

Whalebone Immunity

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Protective DNS

Protective DNS resolver that filters malicious DNS traffic for enterprises, institutions and governments, with identity protection and content filtering.

Whalebone Aura

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Protective DNS

Network-based DNS security service for telcos, delivered as a white-label consumer and SMB offering, including identity protection and fraud call protection.

Whalebone Peacemaker

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Recursive DNS resolver

On-premises recursive DNS resolver for ISPs that blocks malicious traffic and supports content filtering.

DNS4GOV

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Protective DNS

Commercial protective DNS solution for governments and public institutions, built on the DNS4EU project.

Customers

EnterpriseSMBPublic SectorCritical InfrastructureConsumer

Industries served

TelecommunicationsFinancial ServicesEducationEnergyHealthcareTransportationManufacturing

Compliance & partners

Compliance frameworks

NIS2GDPRDORAeGovernment regulations

Technology partners

Zabbix

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