50 lines
1.5 KiB
Bash
Executable File
50 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# check https status code, for domain, and lookup ip address.
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# check-domain.sh www.example.com [example.org]
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# check for "-v" in command prompt
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verbose=false
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while getopts 'v' flag; do
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case "$flag" in
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v)
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verbose=true
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;;
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esac
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done
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shift "$((OPTIND-1))"
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if [ "$verbose" = false ]; then
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echo "use -v for verbose mode (to also get DNS TTL)"
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fi
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function process_domain_list () {
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for domain in "$@"; do
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# get current https status code from this domain
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curl -s -o /dev/null --connect-timeout 0.5 -I -w '%{http_code} ' "https://$domain/"
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# we lookup the name-server for the base domain, and use that as our resolver
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# TODO need to fix, as this will not work with domains like: "example.co.uk"
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basedomain=$(expr match "$domain" '.*\.\(.*\..*\)')
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if [[ -z $basedomain ]]; then
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# input may have not had a subdomain
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basedomain="$domain"
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fi
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nameserver=$(dig +short NS $basedomain | head -n 1)
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# if verbose, we show full answer, instead of just the ip (adds TTL and Record Type)
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if [ $verbose = true ]; then
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output=$(dig @$nameserver +noall +answer $domain)
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printf "%-39.39s %5.5s %-2.2s %-10.10s %-39.39s\n" $output
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else
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output=$(dig @$nameserver +short $domain)
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printf "%-39.39s %-39.39s\n" "$domain." $output
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fi
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done
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}
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echo "----- Domain Check -------------------------------------------"
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process_domain_list "$@"
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