If you receive an email from ANY company asking you to provide personal information, including security question answers and the like, it's probably phishing - contact the company directly. We will never ask you for this information.
For help with realms connection issues on Minecraft PC/Java Edition, please visit https://help.minecraft.net/hc/en-us/articles/360055710592-Minecraft-Realms-and-Multiplayer-Troubleshooting … ^TK