Выключить ech в cloudflare
curl -X PATCH "
https://api.cloudflare.com/client/v4/zones/{ID_ZON..." \
-H "X-Auth-Email: {ACCOUNT_EMAIL}" \
-H "X-Auth-Key: {GLOBAL_API_KEY}" \
-H "Content-Type:application/json" --data '{"id":"ech","value":"off"}'
заменив {ID_ZONE}на ваш Zone ID, а {ACCOUNT_EMAIL} и {GLOBAL_API_KEY} на ваш email и API-ключ соответственно