set max retries to something big

docker/caddy/Caddyfile

@@ -9,9 +9,8 @@
     siasky.net, *.siasky.net, *.hns.siasky.net {
         tls {
             dns route53 {
-                max_retries 100
+                max_retries 50
             }
-            ttl 2m
         }
         reverse_proxy nginx:80
     }