Search Results: long distance ex

We broke up 4 months ago due to his move to another continent (job-related). I wanted to try long distance, he did not as he believes it would be too emotionally draining for him.
Since the break up I did a lot of mourning and I am semi-ok now. We stayed friends but communication is weird (initially he told me often he loves me and misses me) and is now really sporadic and low-engaging. The last time we talked he wanted to have a sort of virtual date (watching a movie together), which I was kinda reluctant to do.

At this point, I am not completely over him. It is hard as we had a really wonderful relationship. I miss him like crazy but at the same time, I am still upset as he did not even want to give us a shot.

I was thinking about asking him if he is dating (already) or not. Expecting the answer "yes", which I think it might push me away from him even more. That would probably be beneficial in terms of getting over him completely.

What do you think? Should I ask him to get even more hurt and therefore really move away holding to him? Or I should just leave him alone? Should I even respond to his messages anymore?

Now that I think about it, I wonder if my ex was bad company. We only dated for a few amount of months (if you’d even call that a relationship). It was long distance and we met online, he drove across the country for a living. I only saw him averaged 2x a month in person. We went on a vacation and split right after. Here are a few things that somewhat stand out to me as red flags:
1) He would bring up his exes rather often. And I brought this to his attention. He said with this driving job taking place right after HS, he did not have a lot of opportunities to socialize and the only relatable opportunities were with the women he dated at that time.
2) He told me he “loved” me after only a month. We spoke on the phone for hours everyday and met up in person a few times prior to this BUT in my opinion it was too soon.
3) He was never nervous, he seemed to lack emotion.
4) One time when we met up, I was using his phone to use safari and search something up. We “deleted” the app together after things were “official”. When I searched the browser, the website for the dating app appeared as “recently viewed” I believe.
5) He didn’t want to wait till marriage to have sex. He was eager to be intimate. After he told me he “loved” me, we had sex for the first time shortly after.
6) He was rather friendly. Very blunt if he told me he was checking out another woman. Told me of women he used to socialize with prior to talking to him. Seemed to make friends easily.
7) Moved on rather soon after things broke off. We ended things earlier last year and around three months later, he posted a new photo with another woman and they’ve been together since. If he was official with this chick so soon after splitting, I wonder if they were talking while I was with him.

Please read all and tell me your opinions.