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What is the most concise way to resolve a hostname to a local IP address in Arch Linux?

marked as duplicate by Jeff Schaller, chaos, dr01, Gilles, Stephen Harris Jul 17 '16 at 22:30

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  • Using the host command. – Kusalananda Jul 17 '16 at 18:27
  • I coulnd't find that in the Arch Repo or AUR, do you know what package this comes with? – Paradox Jul 17 '16 at 18:30
  • dnsutils (I googled it). – Kusalananda Jul 17 '16 at 18:31
  • Thanks. You are welcome to add an answer so I can close this question – Paradox Jul 17 '16 at 18:32
  • I had seen that originally but found it to be the opposite of what I am looking to do. – Paradox Jul 17 '16 at 18:40

You can use either host or nslookup from bind-tools:

$ host domain name pointer fra02s21-in-f3.1e100.net.

$ nslookup

Non-authoritative answer: name = fra02s21-in-f3.1e100.net.

The host utility will return a string containing the resolved host name:

$ host domain name pointer google-public-dns-a.google.com.

This ought to be fairly easy to parse in any shell script. If the host name lookup fails, host exits with a non-zero exit status:

$ if ! host 2>/dev/null; then echo "lookup failed"; fi
lookup failed

This utility is part of the bind-tools package in Arch Linux.

  • 2
    There is no dnsutils package in Arch, it was replaces by bind-tools in June 2015. – Wieland Jul 17 '16 at 18:40

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