DNS Stamps for IPv4 and IPv6

Thank you @demarcush for the comments on the pull requests. Especially the cert hashes for both X1 and X2 from Let's encrypt.

v3/public-resolvers.md

@@ -82,9 +82,8 @@ Public updns DoH service with advertising, tracker and malware filters.
 
 Hosted in Europe by @usableprivacy, details see: https://docs.usableprivacy.com
 
-sdns://AgMAAAAAAAAAAKDmRLppY-M1_nZcuZdrErEOtUKUtCR3dkzLOjrMo6yy_KBa74Q__PLscFX1BKFi8in4ORw3D_OmFj0ts_PWBNYiviARsQLmsfY-UomE1gJfMrE4JB_Ii711GVdNcMmDLVPh6BhhZGZyZWUudXNhYmxlcHJpdmFjeS5uZXQKL2Rucy1xdWVyeQ
-
-sdns://
+sdns://AgMAAAAAAAAADTc4LjQ3LjE2My4xNDGgEbEC5rH2PlKJhNYCXzKxOCQfyIu9dRlXTXDJgy1T4eigWu-EP_zy7HBV9QShYvIp-DkcNw_zphY9LbPz1gTWIr4gRE69Z7uD-IB7OSHpOKyReLiCvVCq2xEjHwRM9fCN984YYWRmcmVlLnVzYWJsZXByaXZhY3kubmV0Ci9kbnMtcXVlcnk
+sdns://AgMAAAAAAAAAFlsyYTAxOjRmODoxYzBjOjgzMmQ6Ol2gEbEC5rH2PlKJhNYCXzKxOCQfyIu9dRlXTXDJgy1T4eigWu-EP_zy7HBV9QShYvIp-DkcNw_zphY9LbPz1gTWIr4gRE69Z7uD-IB7OSHpOKyReLiCvVCq2xEjHwRM9fCN984YYWRmcmVlLnVzYWJsZXByaXZhY3kubmV0Ci9kbnMtcXVlcnk
 
 ## adguard-dns