We check this website, now guildwars2guru.com is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is guildwars2guru Down Right Now? - NO! guildwars2guru is up!
If you have problem with access to site guildwars2guru, and domain guildwars2guru.com is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).