Germany ISP DNS Servers

4 internet service providers listed — 2 with known DNS server addresses. ISP DNS servers are typically private and only work for that ISP's customers.

All Countries Public DNS in Germany Public DNS Servers

Note: ISP DNS servers are not public — they only work for customers of that specific ISP. If you want DNS that works from any connection, use public DNS servers instead.

Major National ISP

4 providers

Deutsche Telekom

Position: Largest ISP in Germany

Coverage: Nationwide

Technology: Fiber, DSL, Mobile

DNS Servers:

80.147.145.111

DNS Server

T-Online customers use Telekom DNS

Vodafone Germany (Kabel Deutschland)

Position: Major cable and mobile provider

Coverage: Nationwide

Technology: Cable, DSL, Mobile

DNS Servers:

145.253.2.19

ns1.arcor-ip.de

145.253.2.80

ns2.arcor-ip.de

145.253.3.171

ns3.arcor-ip.de

Formerly Kabel Deutschland and Arcor

1&1 (United Internet)

Position: Major DSL/fiber provider

Coverage: Nationwide

Technology: DSL, Fiber

DNS Servers: Not publicly documented — auto-assigned via DHCP

DNS information varies by service type

O2 Telefónica Germany

Position: Major mobile and broadband provider

Coverage: Nationwide

Technology: Mobile, DSL

DNS Servers: Not publicly documented — auto-assigned via DHCP

DNS servers available for customers

Why change from ISP DNS?

Speed: ISP DNS can be slow or overloaded — public DNS is often faster.
Privacy: Some ISPs log or sell DNS query data.
Security: Services like Quad9 (9.9.9.9) block malicious domains.
Reliability: Public DNS providers offer 99.99%+ uptime.
Features: Ad-blocking (AdGuard), family filters (OpenDNS), DNSSEC validation.

Browse public DNS servers · Browse all countries

Last updated: January 2026. Data may be incomplete or outdated — ISPs change DNS servers without notice.