acme-dns: continue the process when the CNAME is handled by the storage (#2443)

Author: ldez

providers/dns/acmedns/acmedns.go

@@ -172,14 +172,16 @@ func (d *DNSProvider) Present(domain, _, keyAuth string) error {
 	// Check if credentials were previously saved for this domain.
 	account, err := d.storage.Fetch(ctx, domain)
 	if err != nil {
-		if errors.Is(err, storage.ErrDomainNotFound) {
-			// The account did not exist.
-			// Create a new one and return an error indicating the required one-time manual CNAME setup.
-			return d.register(ctx, domain, info.FQDN)
+		if !errors.Is(err, storage.ErrDomainNotFound) {
+			return err
 		}
 
-		// Errors other than goacmedns.ErrDomainNotFound are unexpected.
-		return err
+		// The account did not exist.
+		// Create a new one and return an error indicating the required one-time manual CNAME setup.
+		err = d.register(ctx, domain, info.FQDN)
+		if err != nil {
+			return err
+		}
 	}
 
 	// Update the acme-dns TXT record.