libadns1 software package provides Asynchronous-capable DNS client library, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libadns1
libadns1 is installed in your system.
Make ensure the libadns1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libadns1 *
You will get with libadns1 package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Libraries |
| Package | libadns1 |
| Version | 1.5.0~rc1-1ubuntu1 |
| Description | Asynchronous-capable DNS client library |
| Sub Section | libs |