VPS/VDS with IPv6

IPv6 (Internet Protocol version 6) is new internet protocol version replacing outdated IPv4. Main difference—address space size: IPv4 uses 32-bit addresses (about 4.3 billion combinations) practically exhausted. IPv6 uses 128-bit addresses—340 undecillion (340 trillion trillion trillion) unique addresses, sufficient for centuries ahead. Addresses look different: IPv4 like 192.168.1.1, IPv6 like 2001:0db8:85a3:0000:0000:8a2e:0370:7334 (often abbreviated). IPv6 has built-in security support (IPsec), simplified routing, address autoconfiguration. No NAT needed—each device gets globally unique address.

IPv6 on VPS solves several tasks. First—unlimited IP addresses: get /64 subnet (18 quintillion addresses) free, while additional IPv4 cost 2-5€ per address monthly. Second—modern internet compatibility: over 40% users connect via IPv6, especially mobile. Without IPv6 support your site may be unavailable or slower for them. Third—future preparation: IPv4 addresses getting expensive and scarce, IPv6 inevitably becoming standard. Fourth—simplifying architecture for Docker, Kubernetes, microservices—each container gets unique IP without port mapping. Fifth—client and partner requirements, especially in enterprise segment.

All our VPS plans provide dual stack—both IPv4 and IPv6 simultaneously. You get minimum one IPv4 address plus IPv6 subnet (/64 or /48 depending on plan). This ensures maximum compatibility: old systems and users with IPv4-only connection can access your services via IPv4, modern clients with IPv6 will use more efficient protocol. We don't provide IPv6-only without IPv4 as this would limit service availability for significant portion of internet users. If need additional IPv4 addresses, can order separately (usually up to 5-20 addresses per VPS).

IPv6 configuration no more complex than IPv4 for modern systems. In most Linux distributions (Ubuntu, Debian, CentOS) IPv6 works automatically after receiving address from provider via SLAAC (Stateless Address Autoconfiguration). For static configuration edit network config similarly to IPv4. Web servers: in Nginx add line listen [::]:80; next to IPv4, in Apache2 IPv6 module enabled by default. Firewall: ip6tables works like iptables but for IPv6. DNS: add AAAA records (analog of A records for IPv4) for your domains. Main difficulty—getting used to long addresses and hexadecimal notation. Our technical support helps with initial setup and provides instructions.

Yes, with proper dual stack configuration your site accessible to everyone. If server has both IPv4 and IPv6, and DNS has both record types (A for IPv4 and AAAA for IPv6), users automatically connect via protocol their provider supports. IPv4-only users connect via IPv4, ignoring AAAA records. IPv6-capable clients prefer IPv6 (it has priority by default in modern systems). If want, can configure only IPv4 and not use IPv6 at all—this also works, just doesn't use new protocol advantages. Main thing—don't remove IPv4 address and DNS A records until significant internet portion transitions to IPv6 completely (won't happen soon).