Since they don't seem to be mentioned on their website, DNS Stamps are sdns://AgMAAAAAAAAAACCaOjT3J965vKUQA9nOnDn48n3ZxSQpAcK6saROY1oCGQdkbnMwLmV1Ci9kbnMtcXVlcn

Since they don't seem to be mentioned on their website, DNS Stamps are sdns://AgMAAAAAAAAAACCaOjT3J965vKUQA9nOnDn48n3ZxSQpAcK6saROY1oCGQdkbnMwLmV1Ci9kbnMtcXVlcnk ("zero" version) and sdns://AgMAAAAAAAAAACCaOjT3J965vKUQA9nOnDn48n3ZxSQpAcK6saROY1oCGQxraWRzLmRuczAuZXUKL2Rucy1xdWVyeQ ("kids" version). But these are already present in the list of public encrypted resolvers (https://github.com/DNSCrypt/dnscrypt-resolvers/blob/master/v3/public-resolvers.md https://github.com/DNSCrypt/dnscrypt-resolvers/blob/master/v...).