Whats going on here? (tracert attached) 1.1.1.1 vs 1.0.0.1 (1.1.1.1 does not load)

Zero Trust 1.1.1.1
1 
C:\Users\in>tracert 1.1.1.1

Tracing route to 1.1.1.1 over a maximum of 30 hops

  1    <1 ms    <1 ms    <1 ms  192.168.1.1
  2     7 ms     6 ms     7 ms  10.30.0.1
  3     7 ms     7 ms     7 ms  208.81.163.xx
  4     7 ms     7 ms     8 ms  1.1.1.1

Trace complete.

C:\Users\in>tracert 1.0.0.1

Tracing route to 1.0.0.1 over a maximum of 30 hops

  1    <1 ms    <1 ms    <1 ms  192.168.1.1
  2     7 ms     8 ms     7 ms  10.30.0.1
  3    29 ms     8 ms     7 ms  208.81.163.xx
  4    23 ms    16 ms     7 ms  208.81.163.xx
  5    40 ms    43 ms    40 ms  38.86.181.xx
  6    40 ms    40 ms    40 ms  38.88.165.xx
  7    40 ms    40 ms    45 ms  154.54.45.xx
  8    41 ms    41 ms    44 ms  38.88.165.xx
  9    41 ms    40 ms    41 ms  1.0.0.1

Trace complete.
2

Do DNS queries to 1.1.1.1 work? This looks like 1.1.1.1 is being sent to a upstream router and not Cloudflare.

3

Yea that’s ISP equipment/router upstream. Is it ok to use 1.0.0.1 as the main DNS provider? Any drawbacks doing that?

4