UUUP Tools

Developer Tools

DNS Zone Builder — BIND Zone File Generator

Build DNS zone files with SOA, $ORIGIN, $TTL, and A, AAAA, CNAME, TXT, and other records in your browser. Useful for preparing zone files for BIND, CoreDNS, and similar servers.

Quick switch→Nginx Location Tester
DNSZoneBIND
Quick switch:Nginx Location TesterDomain ParserSubnet Calculator

Favorite this tool

No favorite storage mode has been selected.

Quick actions

Back to Developer Tools Browse all tools

Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Generate standard zone headers for self-hosted DNS
  • Organize A, CNAME, and TXT records in one file
  • Prepare BIND or CoreDNS zone content for internal domains

How to use

  1. Enter domain, TTL, and SOA parameters
  2. Add the records you need
  3. Copy the generated zone text

Example input and output

Record

example.com. A 203.0.113.10

Zone snippet

$TTL 3600
@ IN SOA ns1.example.com. admin.example.com. (...)
@ IN A 203.0.113.10

FAQ

What happens after generation?

Place the zone file on your DNS server and reload the service. Validate serial numbers and file permissions separately.

Which record types are supported?

Common A, AAAA, CNAME, TXT, MX, and NS records are supported. Add advanced types using the page options.

Tools

Related tools

Continue with another translated tool for a nearby task.

Nginx Location Tester

Nginx Location Tester — Match Rule Validator

Available

Test Nginx location modifiers and URI patterns against request paths locally in your browser. Covers exact, prefix, regex, and ^~ cases—useful when debugging routes stolen by the wrong location block.

Nginx Location Routing
Open tool

Domain Parser

Domain Parser for Subdomains and TLDs

Available

Split hostnames from domains or URLs locally in your browser. Identify subdomains, registrable domains, and common public suffixes for CDN, certificate, and security reviews.

Domain Parser
Open tool

Subnet Calculator

Subnet Calculator — IPv4 CIDR Planning Tool

Available

Calculate subnet mask, network address, broadcast address, and usable host count from an IP and CIDR prefix for internal segmentation, Docker networks, and routing plans.

CIDR Subnet Network
Open tool