✅ Hostname / Domain Syntax Validator
Check a hostname or domain against RFC 1035 label rules: each label 1-63 characters, letters/ digits/hyphens only, no leading or trailing hyphen, and a total length of 253 characters or less.
Check a hostname or domain against RFC 1035 label rules: each label 1-63 characters, letters/ digits/hyphens only, no leading or trailing hyphen, and a total length of 253 characters or less.