Having connectivity issues today to DNS

$ traceroute 1.1.1.1
traceroute to 1.1.1.1 (1.1.1.1), 30 hops max, 60 byte packets
1 MainGateway (192.168.1.1) 0.635 ms 0.594 ms 0.630 ms
2 216.230.40.2.host.smartcitytelecom.com (216.230.40.2) 6.258 ms 6.627 ms 6.595 ms
3 mn-d01-01-vlan558.smartcitytelecom.com (66.90.8.137) 5.856 ms 6.472 ms 6.473 ms
4 one.one.one.one (1.1.1.1) 6.403 ms 8.667 ms 8.017 ms

pi@myunipi:~ $ traceroute 1.0.0.1
traceroute to 1.0.0.1 (1.0.0.1), 30 hops max, 60 byte packets
1 MainGateway (192.168.1.1) 0.584 ms 0.451 ms 0.522 ms
2 216.230.40.2.host.smartcitytelecom.com (216.230.40.2) 10.047 ms 10.477 ms 10.878 ms
3 mn-d01-01-vlan558.smartcitytelecom.com (66.90.8.137) 5.793 ms 6.630 ms 6.603 ms
4 mn-a08-01-ten2-1.smartcitytelecom.com (66.90.9.122) 6.568 ms 6.531 ms 6.880 ms
5 xe-9-0-2.bar2.Tampa1.Level3.net (4.35.213.249) 13.471 ms 15.335 ms 14.657 ms
6 ae-0-11.bar1.Tampa1.Level3.net (4.69.137.109) 15.208 ms 11.909 ms 12.375 ms
7 4.53.172.134 (4.53.172.134) 9.604 ms 9.141 ms 9.173 ms
8 one.one.one.one (1.0.0.1) 9.556 ms 9.600 ms 9.427 ms