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Use INWX Name server to check old ip #25

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Use INWX Name server to check old ip #25

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19 changes: 4 additions & 15 deletions dnsupdate.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@
# Configuration ################################################################
USERNAME="" # Your username at INWX
PASSWORD="" # Your password at INWX
DOMAIN="" # Your domain name at INWX
DNSSERVER="@ns.inwx.de" # DNS server to check domain (must be preceeded by @)
DNSIDsv4=("1" "2") # The ID of the A record
DNSIDsv6=() # The ID of the AAAA record
SILENT=false # Should the script write a logfile? (true | false)
Expand Down Expand Up @@ -88,29 +90,16 @@ for DNSID in ${DNSIDS[@]}; do
log "Entry $DNSID, v6 starts"
fi

# check if the IPv4/6 array exists, then create old.ipv4/6 if not available
# finally get recent IPv4/IPv6
if [ ${#DNSIDsv4[@]} -ne 0 ]
then
if ! [ -e old.ipv4 ]
then
touch old.ipv4
fi
OLDIPv4=$(cat old.ipv4)
OLDIPv4=$(dig $DNSSERVER A +short $DOMAIN)
fi
if [ ${#DNSIDsv6[@]} -ne 0 ]
then
if ! [ -e old.ipv6 ]
then
touch old.ipv6
fi
OLDIPv6=$(cat old.ipv6)
OLDIPv6=$(dig $DNSServer AAAA +short $DOMAIN)
fi

# Write "(empty)" if the files are empty for nice output on first run.
if [ -z "$OLDIPv4" ]; then OLDIPv4="(empty)"; fi
if [ -z "$OLDIPv6" ]; then OLDIPv6="(empty)"; fi

# get actual IPv4/IPv6
if [[ "$ISIPv4" = true ]]; then
NEWIPv4=$(get_v4_ip)
Expand Down