Where is the error? Thank you
#set ip dns server
/ip dns set servers=8.8.8.8,8.8.4.4
#set disable certificate DNS over HTTPS (DoH)
/ip dns set verify-doh-cert=no
#fetch pki certificate google certificate
/tool fetch url=https://pki.goog/roots.pem
#fetch pki certificate cloudflare
/tool fetch url=https://curl.se/ca/cacert.pem
#certificate import google
/certificate import file-name=roots.pem passphrase=""
#certificate import cloudflare
/certificate import file-name=cacert.pem passphrase=""
#set certificate DNS over HTTPS (DoH)
/ip dns set use-doh-server=https://dns.google/dns--query
#optional server if google not function ... /ip dns set use-doh-server=https://cloudflare-dns.com/dns-query
/ip dns set verify-doh-cert=yes
#no set ip dns
/ip dns set servers=""
:log info "script complete - obtain root CA certificate (google+cloudflare)