Subscription-manager repositories getting failed

Updating Subscription Management repositories.
Warning: failed loading '/etc/yum.repos.d/CentOS-Base.repo', skipping.
Warning: failed loading '/etc/yum.repos.d/CentOS-Extras.repo', skipping.
Warning: failed loading '/etc/yum.repos.d/CentOS-Updates.repo', skipping.
Repository kiran-repo is listed more than once in the configuration
kiran Repository                                0.0  B/s |   0  B     00:00
Errors during downloading metadata for repository 'kiran-repo':
  - Curl error (6): Couldn't resolve host name for http://your-repo-url/path/repodata/repomd.xml [Could not resolve host: your-repo-url]
Error: Failed to download metadata for repo 'kiran-repo': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried