Find the official contact email and phone number for the Chinese Embassy in Germany. Identify the most authoritative source for this information, preferably a government website. Additionally, confirm if the domain 'de.china-embassy.gov.cn' is accessible and, if not, state the reason for its inaccessibility.
Use a reputable search engine to search for 'Chinese Embassy Germany official contact'. Identify and navigate to the most authoritative and accessible official source (e.g., a page on the German Foreign Office website or a functional Chinese government domain). Extract a general contact email and phone number for the Chinese Embassy in Germany from the identified source. Attempt to navigate directly to 'https://de.china-embassy.gov.cn'. If 'https://de.china-embassy.gov.cn' is inaccessible, state the specific error encountered.
Successfully identify and navigate to an alternative, functional, and official source of information about the Chinese Embassy in Germany, such as `https://china.diplo.de/cn-de/willkommen-in-china/informationen-ueber-china/vertretungen-in-deu`. Provide a general contact email for the Chinese Embassy in Germany (e.g., `protokoll.botschaftchina@gmail.com`). Provide a general contact phone number for the Chinese Embassy in Germany (e.g., `+49 30 27 58 82 17`). Confirm that `https://de.china-embassy.gov.cn` is inaccessible due to a security certificate error (ERR_CERT_COMMON_NAME_INVALID).