Mining server software was updated and appears to be running very well.

Not for me apparently... just started timing out on connection:
root@OpenWrt:~# telnet mint.bitminter.com 3333
telnet: can't connect to remote host (192.31.187.114): Connection timed out
root@OpenWrt:~# telnet mint.bitminter.com 3333
telnet: can't connect to remote host (192.31.187.114): Network is unreachable
root@OpenWrt:~# telnet mint.bitminter.com 3333
telnet: can't connect to remote host (192.31.187.114): Connection timed out
root@OpenWrt:~# telnet mint.bitminter.com 3333
telnet: can't connect to remote host (192.31.187.114): Connection timed out
root@OpenWrt:~#