diff --git a/README.md b/README.md
index 5651fe7..1d3ae21 100644
--- a/README.md
+++ b/README.md
@@ -2121,7 +2121,7 @@ Many other services (for free)
 Reverse DNS from multiple public databases:
 ```sh
 rdns () {
-    curl "https://lookup.segfault.net/api/v1/download?ip_address=${1:?}&limit=10&apex_domain=${2}" | column -t -s,
+    curl -fsSL "https://lookup.segfault.net/api/v1/download?ip_address=${1:?}&limit=10&apex_domain=${2}" | column -t -s,
 }
 # rdns <IP>
 ```
@@ -2130,7 +2130,7 @@ Find sub domains from TLS Database:
 ```sh
 crt() {
     [ $# -ne 1 ] && { echo >&2 "crt <domain-name>"; return 255; }
-    curl -s "https://crt.sh/?q=${1:?}&output=json" --compressed | jq -r '.[].common_name,.[].name_value' | anew | sed 's/^\*\.//g' | tr '[:upper:]' '[:lower:]'
+    curl -fsSL "https://crt.sh/?q=${1:?}&output=json" --compressed | jq -r '.[].common_name,.[].name_value' | anew | sed 's/^\*\.//g' | tr '[:upper:]' '[:lower:]'
 }
 # crt <domain>
 ```