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    my @ct = HTTP::Headers::Util::split_header_words(
        $response->header("Content-Type") );
    if (@ct) {
        my ( undef, undef, %ct_param ) = @{ $ct[-1] };
        $charset = $ct_param{charset};
    }

    # if the charset wasn't in the http header look for meta-equiv
    unless ($charset) {

        # default charset for HTTP::Message - if it couldn't guess it will
        # have decoded as 8859-1, so we need to match that when
        # re-encoding
        return $charset || "ISO-8859-1";
    }
}

sub resolve {
    my ( $class, $hostname ) = @_;

    # run the dns query