Guides tagged “dns server”
Step-by-step MdmHost guides about dns server, sorted A-Z.
7 guides
DNS server software: BIND vs PowerDNS explained
Authoritative vs recursive DNS servers, how BIND and PowerDNS differ in storage, performance and features, what cPanel uses, and how to test a DNS server with dig.
DNS SOA and NS records explained: serial, refresh and delegation
What SOA and NS records do, every SOA field (primary NS, admin email, serial, refresh, retry, expire, negative TTL), delegation and glue, and how to check them with dig.
DNS zone file format explained: read and write BIND zone files
Understand the structure of a DNS zone file: $ORIGIN and $TTL, the @ symbol, relative vs absolute names, record syntax, comments, and how to validate, export and import zones.
DNSSEC explained: how signed DNS works and how to enable it
How DNSSEC protects DNS answers with signatures, the chain of trust from the root, DNSKEY, RRSIG and DS records, enabling it safely, validating it and avoiding outages.
Install a PowerDNS authoritative server with a MariaDB backend
Install the PowerDNS Authoritative Server on Linux with a MariaDB/MySQL backend, enable its HTTP API, create a zone with pdnsutil and secure the server against open recursion.
Set up an authoritative DNS server with BIND on Linux
Install BIND, create a primary zone file for your domain, disable open recursion, add a secondary server with zone transfers, register glue records and test with dig.
Set up Unbound as a local caching DNS resolver on a server
Install Unbound as a private recursive, validating DNS resolver for your server or network, restrict who can query it, enable DNSSEC validation and point the system at it.
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