Function LookupAddr

framework/dns/resolver.go:47–53

LookupAddr is a convenience wrapper for Resolver.LookupAddr. It returns the first name with trailing dot stripped.

(ctx context.Context, r Resolver, ip net.IP)

//
// It returns the first name with trailing dot stripped.
func LookupAddr(ctx context.Context, r Resolver, ip net.IP) (string, error) {
	names, err := r.LookupAddr(ctx, ip.String())
	if err != nil || len(names) == 0 {
		return "", err
	}
	return strings.TrimRight(names[0], "."), nil
}

func DefaultResolver() Resolver {
	return net.DefaultResolver