Question: what are the parts of a domain name called
[{'answer': 'top - level domain', 'provenance': [{'wikipedia_id': '39878', 'title': 'Domain name', 'start_paragraph_id': 74, 'start_character': 157, 'end_paragraph_id': 74, 'end_character': 177, 'bleu_score': 1.0, 'section': 'Section::::Abuse and regulation.\n'}]}, {'answer': 'subdomain', 'provenance': [{'wikipedia_id': '39878', 'title': 'Domain name', 'start_paragraph_id': 2, 'start_character': 184, 'end_paragraph_id': 2, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'hostname'}, {'provenance': [{'wikipedia_id': '39878', 'title': 'Domain name', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13477957694846381365}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39878', 'title': 'Domain name', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 823, 'bleu_score': 0.5393352992133621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13477957694846381365}, 'section': 'Section::::Domain name space.:Domain name syntax.\n'}]}, {'provenance': [{'wikipedia_id': '31115', 'title': 'Top-level domain', 'section': 'Section::::Internationalized country code TLDs.\n', 'start_paragraph_id': 24, 'end_paragraph_id': 24, 'meta': {'evidence_span': ['An internationalized country code top-level domain (IDN ccTLD) is a top-level domain with a specially encoded domain name that is displayed in an end user application, such as a web browser,', 'An internationalized country code top-level domain (IDN ccTLD) is a top-level domain with a specially encoded domain name that is displayed in an end user application, such as a web browser, in its language-native script or alphabet (such as the Arabic alphabet), or a non-alphabetic writing system (such as Chinese characters). IDN ccTLDs are an application of the internationalized domain name (IDN) system to top-level Internet domains assigned to countries, or independent geographic regions.']}}]}, {'provenance': [{'wikipedia_id': '39878', 'title': 'Domain name', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'start_character': 239, 'end_paragraph_id': 2, 'end_character': 677, 'bleu_score': 1.0}]}]