devtools_parser.py 文件源码

def get_base_page_info(self, page_data):
        """Find the reverse-ip info for the base page"""
        domain = urlparse.urlsplit(page_data['final_url']).hostname
        try:
            import socket
            addr = socket.gethostbyname(domain)
            host = str(socket.gethostbyaddr(addr)[0])
            page_data['base_page_ip_ptr'] = host
        except Exception:
            pass
        # keep moving up the domain until we can get a NS record
        while domain is not None and 'base_page_dns_soa' not in page_data:
            try:
                import dns.resolver
                dns_servers = dns.resolver.query(domain, "NS")
                dns_server = str(dns_servers[0].target).strip('. ')
                page_data['base_page_dns_ns'] = dns_server
            except Exception:
                pass
            pos = domain.find('.')
            if pos > 0:
                domain = domain[pos + 1:]
            else:
                domain = None