'The function for summarizing RDAP links in to a unique list.
https://tools.ietf.org/html/rfc7483#section-4.2
Args:
links_json: A json dictionary of links from RDAP results.
Returns:
List: A unique list of found RDAP link dictionaries.'

def summarize_links(self, links_json):

    ret = []
    for link_dict in links_json:
        ret.append(link_dict['href'])
    ret = list(unique_everseen(ret))
    return ret
