DNSLookup
- Free Web page test
- Free Multi-RBL Lookup
- Free IP Tools
- djbdns record builder
- What's My IP
- IP Calculator: Calculate hosts, masks, braodcast
- DNSstuff.com: This even does reverse DNS lookups
- wiseTools
- All domain names and internic registrations
- Web Interface to Whois
- lifewithdjbdn
- make-record.adp - TinyDNS record maker
- djbdnsRecordBuilder - TinyDNS record maker
- djbdns-conf - djbdns configuraiton interface
- Vegadns - djbdns configuraiton interface