Changes

'''* No registration exists matching provided key'''

==No registration exists matching provided key=='

If you see the following:

If you see the following:

'''* rateLimited, Too many currently pending Authorizations'''

==rateLimited, Too many currently pending Authorizations==

If you see something like this you may have hit the rate limit:

If you see something like this you may have hit the rate limit:

'''* Some challenges complete successfully but some hostnames fail'''

==Some challenges complete successfully but some hostnames fail==

If you see some of your challenges returned without error but some fail, you need to make sure that you have Public DNS A or MX records for all the host names that you are adding to your certificate. Using the command:

If you see some of your challenges returned without error but some fail, you need to make sure that you have Public DNS A or MX records for all the host names that you are adding to your certificate. Using the command: