DNS Toys

https://www.dns.toys/

DNS Toys is an authoritative DNS server offering different unit conversion and lookup tools.

Some examples from the website include:

# Lookup time by city name
dig newyork.time @dns.toys

# or weather
dig newyork.weather @dns.toys

# Return the client IP address
dig ip @dns.toys

# Number conversion from decimal to hex
dig 100dec-hex.base @dns.toys