We’ve recently enabled DNS over HTTPS (DoH) and DNS over TLS on our resolvers for our customers (IPv4 and IPv6).
For DNS over HTTPS (DoH) use:
For DNS over TLS use:
Our DNS servers validate DNSSEC (queries will be answered with SERVFAIL in case of bogus data). If you have trouble resolving DNS that appears to work with sites that are not DNSSEC-aware, check it with the DNSViz tool: https://dnsviz.net
Our DNS servers will only respond to queries from our network (users on Roller Network IP addresses). If you are a peer or downstream customer with your own address space, please contact us to add your IP addresses to our “allow” list. For public service we recommend Quad9. Quad9 is globally anycasted including a local peer in Reno, NV at TahoeIX. For more information visit: https://www.quad9.net