Los Angeles Small NetworksEnterprise Network Architecture, Cybersecurity & Cloud Infrastructure for LA Businesses
⚡ Core Network Services• Published: September 2, 2026

DNS & DHCP High Availability: Pi-hole, BIND9, Infoblox & Anycast

Technical Review: Senior Network Infrastructure Directorate • Los Angeles Small Networks

When internal DNS fails, all cloud applications, file shares, and database connections stall. Enterprise networks must deploy redundant DNS resolvers with automated lease failover.

1. Split-Horizon DNS Architecture

🌐 Internal vs. External Resolution

Split-horizon DNS responds with private RFC 1918 IPs (10.0.10.50) for internal clients querying corporate domain names, while external internet queries resolve to public Cloudflare/Ingress IPs (192.168.11.32).

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Authored by Los Angeles Enterprise Network Engineering Directorate

Our team architects high-availability switching fabrics, Fortinet/Palo Alto perimeter firewalls, Wi-Fi 6E/7 wireless site surveys, and HIPAA/SOC 2 compliant network segmentation for businesses across Greater Los Angeles.