次はどこかな☆ for d in ne.jp com; do for i in $(seq 97 122); do f="$(echo -e $(printf '\\x%x\n' $i)).hatena.$d"; printf "HEAD / HTTP/1.1\r\nHost: %s\r\nConnection: close\r\n\r\n" $f | nc $f 80 | head -n 1 | egrep -q '^HTTP/... 200' && { ec…