11. The method of claim 3 , wherein the extracted text from at least one of the plurality of images is found in a first domain name of the set of domain names, and further comprising: determining whether the domain name and the first domain name bitwise match; and in response to determining that the domain name and the first domain name do not bitwise match, raising the alert regarding the operation on the domain name.
3. A computer-implemented method, comprising: rendering a domain name as a plurality of images, the domain name being rendered with a different font in each image of the plurality of images; performing optical character recognition (OCR) on each image of the plurality of images to extract text from the plurality of images, wherein the OCR is configured to resolve at least two different and visually similar characters to a same character; and determining to allow or raise an alert regarding performing an operation on the domain name based at least in part on whether the extracted text from at least one of the plurality of images is found in a set of domain names for which confusingly similar domain names are checked against.