libasr0 software package provides asynchronous DNS resolver, 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 libasr0
libasr0 is installed in your system.
Make ensure the libasr0 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libasr0 *
You will get with libasr0 package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Libraries |
| Package | libasr0 |
| Version | 1.0.2-1 |
| Description | asynchronous DNS resolver |
| Sub Section | libs |