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