Looking at the tcpdump it looks like it resolved OK but is having issues connecting to 45.55.61.100 (SYN’s are never replied to).
I tried on my desktop and it worked but it resolved to 104.31.68.148. Did you just move servers or change IP’s? Could be that the DNS is taking a while to propagate and for the old entry to be flushed from caches.
Otherwise a bad address is being served for your DNS.