Odd, I swear trustytime.io worked fine recently and it timed out today even with VPN. Verizon FIOS. 9:30 am ET Sunday Sep 12.
I don't think it's Verizon blocking.
traceroute to trustytime.io (89.248.168.139), 64 hops max, 52 byte packets
1 rt-ax86u-6588 (192.168.1.1) 8.853 ms 1.318 ms 1.316 ms
2 * * *
3 100.41.23.54 (100.41.23.54) 17.866 ms
100.41.23.52 (100.41.23.52) 10.496 ms 8.802 ms
4 0.csi1.whplnywp-mse01-bb-su1.alter.net (140.222.3.212) 14.129 ms
0.csi1.grcynygc-mse01-bb-su1.alter.net (140.222.3.206) 9.977 ms
0.csi1.whplnywp-mse01-bb-su1.alter.net (140.222.3.212) 7.246 ms
5 * * *
6 0.ae3.br2.nyc4.alter.net (140.222.1.59) 19.192 ms
0.ae4.br2.nyc4.alter.net (140.222.1.61) 7.405 ms
0.ae3.br2.nyc4.alter.net (140.222.1.59) 8.154 ms
7 verizon-com.customer.alter.net (152.179.229.6) 9.519 ms 7.940 ms 9.529 ms
8 100ge13-1.core1.lon2.he.net (184.104.197.53) 76.045 ms 75.823 ms 78.963 ms
9 100ge6-2.core1.ams1.he.net (72.52.92.214) 84.567 ms 83.988 ms 78.098 ms
10 * * *
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *