Tracing route to app.fastmail.com [103.168.172.53] over a maximum of 30 hops:
  ...
  6     2 ms     2 ms     2 ms  ae0-0.alb2nqp8.dk.ip.tdc.net [83.88.19.117]
  7     *        *        *     Request timed out.
  8     2 ms     2 ms     2 ms  162.158.133.45
  9     2 ms     2 ms     1 ms  162.158.133.72
  10     2 ms     2 ms     2 ms  162.158.133.37
  11     *        *        *     Request timed out.
  12    94 ms    93 ms    93 ms  www.fastmail.fm [103.168.172.53]