Invalid response when I'm trying to install SSL

Domain "comoseestudia.ml" challenge3 failed. Response from "https://acme-v02.api.letsencrypt.org/acme/challenge/_g2FgQrlhK1grdjNuhmprLTLA9GXp1u8lLZhnSill0Q/16009887039" was:

Warning: Your verification URL is not returning the correct contents to our verification servers. The URL looks like it is blocking bots and which inadvertently blocks our servers from receiving the correct content. Contact your host, a professional developer or admin for further help with fixing it.

Error: Invalid response from http://comoseestudia.ml/.well-known/acme-challenge/ewlsN6QKzx4fJReQLY-AkqXN_AQ8g_ylY6sUskkWyhE [185.27.134.130]: "function toNumbers(d){var e=[];d.replace(/(..)/g,func"

Full Error: { "type": "http-01", "status": "invalid", "error": { "type": "urn:ietf:params:acme:error:unauthorized", "detail": "Invalid response from http://comoseestudia.ml/.well-known/acme-challenge/ewlsN6QKzx4fJReQLY-AkqXN_AQ8g_ylY6sUskkWyhE [185.27.134.130]: \"\u003chtml\u003e\u003cbody\u003e\u003cscript type=\\"text/javascript\\" src=\\"/aes.js\\" \u003e\u003c/script\u003e\u003cscript\u003efunction toNumbers(d){var e=[];d.replace(/(..)/g,func\"", "status": 403 }, "url": "https://acme-v02.api.letsencrypt.org/acme/challenge/_g2FgQrlhK1grdjNuhmprLTLA9GXp1u8lLZhnSill0Q/16009887039", "token": "ewlsN6QKzx4fJReQLY-AkqXN_AQ8g_ylY6sUskkWyhE", "validationRecord": [ { "url": "http://comoseestudia.ml/.well-known/acme-challenge/ewlsN6QKzx4fJReQLY-AkqXN_AQ8g_ylY6sUskkWyhE", "hostname": "comoseestudia.ml", "port": "80", "addressesResolved": [ "185.27.134.130" ], "addressUsed": "185.27.134.130" } ] }