From 7571492928f29ef3e123b845ad0c1a0c6d3c995c Mon Sep 17 00:00:00 2001
From: Zoldan <github@zoldan.de>
Date: Fri, 23 Sep 2016 19:41:39 +0200
Subject: [PATCH] working nslookup for IPV6 and V4

---
 getssl | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/getssl b/getssl
index 9bb39b3..5e52d83 100755
--- a/getssl
+++ b/getssl
@@ -141,6 +141,7 @@ _FORCE_RENEW=0
 _QUIET=0
 _UPGRADE=0
 _UPGRADE_CHECK=1
+IPV6=false
 
 # store copy of original command in case of upgrading script and re-running
 ORIGCMD="$0 $*"
@@ -1016,8 +1017,14 @@ for d in $alldomains; do
   # check nslookup for domains (ignore if using DNS check, as site may not be published yet)
   if [[ $VALIDATE_VIA_DNS != "true" ]]; then
     debug "checking nslookup for ${d}"
-    if [ "$(nslookup "${d}"| grep -c ^Name)" -lt 1 ]; then
-      error_exit "DNS lookup failed for $d"
+    if [[ "$IPV6" == "true" ]]; then
+      if [ "$(nslookup -query=AAAA "${d}"|grep -c ^""${d}".*has AAAA address")" -lt 1 ]; then
+        error_exit "DNS lookup IPV6 failed for $d"
+      fi
+    else
+      if [ "$(nslookup "${d}"| grep -c ^Name)" -lt 1 ]; then
+        error_exit "DNS lookup failed for $d"
+      fi
     fi
   fi
 done