From 12a7e5218df8ac167743eef4bed38a1261acde55 Mon Sep 17 00:00:00 2001
From: Dennis Koot <koter84@gmail.com>
Date: Mon, 1 Feb 2016 14:49:02 +0100
Subject: [PATCH] do nslookup on each domain before starting requests

---
 getssl | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/getssl b/getssl
index 4a9c3b6..2eb61ff 100755
--- a/getssl
+++ b/getssl
@@ -610,6 +610,16 @@ else
 fi
 debug "created SAN list = $SANLIST"
 
+# check nslookup for domains
+alldomains=$(echo "$DOMAIN,$SANS" | sed "s/,/ /g")
+for d in $alldomains; do
+  debug "checking nslookup for ${d}"
+  exists=$(nslookup "${d}")
+  if [ "$?" != "0" ]; then
+    error_exit "DNS lookup failed for $d"
+  fi
+done
+
 # check if domain csr exists - if not then create it
 if [ -f "$DOMAIN_DIR/${DOMAIN}.csr" ]; then
   debug "domain csr exists at - $DOMAIN_DIR/${DOMAIN}.csr - skipping generation"